1.No one knows _______ how the earth began, ___ it happened so long ago.2.After that, atoms began to form and ________ to create stars and other bodies.3.For several billion years after the ‘Big Bang’, the earth was still just ____________ dust.4.The earth became so violent that it was not clear whether the ________ would last or not.5.They were _________ to produce carbon, nitrogen, water vapour and other ______ , whichwere to make the earth’s ______________.6.What is even more important is that as the earth ______________ , water began to appearon its surface.7.It wasn’t immediately obvious that water was to be _____________ to the development oflife.8.This produced a_______ reaction, which made it possible for life to develop.9.Many millions of years later, the first _______ small plants began to appear on thesurface of the water.10.They _______ and filled the oceans and seas with oxygen, which _________ the laterdevelopment of early shellfish and all sorts of fish.ter when the plants grew into forests, ______ appeared for the first time.12.They produced young ________ by laying eggs.13.Dinosaurs laid eggs too and _________ on the earth for more than 140 million years.14.Why they suddenly disappeared still remains a __________.15.This disappearance made possible __________ mammals on the earth.16.So whether life will continue on the earth for millions of years to come will _______whether this problem can be solved.17.Going eastward, you'll pass mountains and thousands of lakes and forests,__________ wide rivers and large cities.18.Some people have the idea that you can cross Canada ___________ five days, butthey forget the fact that Canada is 5,500 kilometers from coast to coast.19.Its population is increasing____________.20.It is so wet there that the trees are extremely tall, some_________ over 90 meters.21.Cowboys from all over the world come to _________ in the Stampede.22.Many of them have _________ riding wild horses and can win thousands of dollars inprizes.23.They went through a wheat-growing ___________ and saw farms that coveredthousands of acres.24.The girls were surprised ___________ ocean ships can sail up the Great Lakes.25.Because of the Great Lakes, they learned, Canada has more _________ than anyother country in the world.26.It has one-third of the world's total fresh water, and _________ is in the Great Lakes.27.That night as they slept, the train ____________ the top of Lake Superior, through thegreat forests and southward towards Toronto.28.Their next stop was Calgary, which is _________ for the Calgary Stampede.29.If you go to Hollywood and ____________ the trendy coffee shops and restaurants, it’sunlikely you’ll meet your favorite film star.30.Dennis is a ‘movie’ star------well,_________.31.On his _________ Chevrolet ___________ he has five Oscars and other awards he has won.32.He also ____________ videotapes of his films in exchange for a modest $10.33.If fame is a matter of __________ influential people, then Woodruff is certainly famous.34.He describes himself as Hollywood’s best known _____________ actor.35.It is true that he has been on television over 300 times and has worked in about 45 motionpictures, ___________ as an extra.36.Everything with Dennis has _________ selling himself.37.He talks constantly about his life, his talent, his ________ abilities, his ambitions.38.His _________ search for work in the film industry no longer has any realistic chance ofsuccess, so now he acts out the ____ of an actor looking for work.39.‘__________!’ shouts the writing on his car.40.You can watch him _____________ for parts in front of the security cameras at localrestaurants.41.People recognize him and then, sadly, ________ him.42.He has rugged, ____________ good looks, though he seems tired.43.I want to show everyone how my life is like _____________ art.44.One of the most _____________ he tells is about how he nearly made the big time.45.The famous actor John Wayne was going to______________ , but unfortunately he died.46._____________ producer Otto Preminger wanted to make him a star.47.He’s been living in a mobile home in East Hollywood for 30 years, and___________ , hemanages to earn a living.48.True success, he feels, is just_______________.49.He has ___________ a production company with his brother.50.________ the dog and whiskers the cat can feel angry, depressed…..51.Many scientists, however, are _________ about giving animals the full range of emotionsthat humans can feel.52.__________ the problem is that it is impossible to prove that even a human being is feelinghappy or sad.53.It is only because we can observe body language and facial expression that we can__________ it.54.However, most researchers ________ agree that many creatures experience fear.55.Some scientists _________ this as a primary emotion.56.The 26-foot bristlecone pine tree is the oldest of many that have _________ civilization aftercivilization.57.When human first flew in space, they were amazed to discover that the only _________object visible from orbit was the Great Wall of China.58.What can be seen when orbiting the Earth are the lights of the world’s large _____________areas.59.Earthquakes, volcanic eruptions, and hurricanes _____________the deaths of thousands ofpeople every year.60.One of the most violent earthquakes ever ________ was in Ecuador in 1996.61.In many countries, the number 13 __________ to be very unlucky.62.In the US, modern high-rise buildings __________the floor that follows 12 as 14.63.In Christianity, this theme __________ at the Last Supper.64.Evidence suggests that boys are the weaker sex_________ , which means that more die ininfancy.65.Men also have a greater ________ heart disease than women, and they have heart attacksearlier in life.66.Also, men are more often __________ occupations, such as construction work.67.Historically, women died in __________ and men in wars.68.Now childbearing is less ___________ and there are fewer wars.69.He was a good and caring employer and become ___________ known as uncle Sam.70.Neighbors complained that they could hear them shouting from ________ the street.71.Mrs Brady said that she had __________ her husband of wasting their money on drinkingand gambling.72.She reminded them that they had already had two _________ warnings from the police.73.Two years ago, that was the message I wanted to get across to all art lovers—that dolls areanother art___________.74.I wanted to show __________ my dolls.75.They say that we have become ‘the forgetful generation’ and that day after day we____________ our memories.76.Jobs that __________ were done by many people are now down by a few.77.If you have five things to do_________, you become stressed and forgetful.78.It’s a terrible feeling--------you think you are going_________.79.She also had a home and a family to take _________ and she’d recently moved.80.She had so many things to think about that her brains couldn’t________. It shut down.81.Well, __________ the solution is recognizing the problem.82.Once we’d talked to this patient about her stressful lifestyle, she realized that she wasn’tgoing crazy and she felt more relaxed and was _____ to help herself.83.We’ll _________ for Mr and Mrs West anytime if they want to go out.84.Then he _______________ and goes down the street to the pub.85.She opened a window _________ and threw a plant at him.86.Two weeks before the baby was_________, she was at home and the baby started comingearly.87.You can imagine it’s quite a small space to give ____________ in.88.Fortunately the lifeboat crew was___________, they are nearly all volunteers who__________ the life boat.89.And then they also ___________ her name and date of birth on the lifeboat’s bell so that it’salways remembered.90.The lifeboatmen were encouraging my sister to name the baby _________ the lifeboat.91.Actually the story was __________ in the local newspapers after the birth.92.I _____________ immediately and floated weightlessly around in our spaceship cabinwatching the earth become smaller and the moon larger.93.These animals were different from all life forms in the past, because they gave_________ to young baby animals and produced milk to feed them.94.They are putting too much carbon dioxide into the atmosphere, which prevents heat________ escaping from the earth into space.95.What it was to become was uncertain until between 4.5 and 3.8 billion years ago whenthe dust ___________ a solid globe.96.It ___________ loudly with fire and rock.97.Earlier that day, when they crossed the Rocky Mountains, they managed to______________ some mountain goats and even a grizzly bear and an eagle.98.____________________, they could see the misty cloud that rose from the great NiagaraFalls, which is on the south side of the lake.99.After dinner, they were back in an ___________ area, the busy port city of ThunderBay at the top of the Great Lakes.100. That night as they slept, the train rushed across the top of Lake Superior, through the great forests and southward _____________ Toronto.1.Exactly ; asbine3. 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