1. Look! One pair of those twins ____________ (dance) there.2. What can we do __________ (protect) our Earth?3. Can you reuse paper _____________ (make) a box?4. _____________ (Read) more English stories help us learn English better.5. Most of our energy __________ (come) from coal and oil.6. Water is ___________ (use) to us.7. We can use plastic __________ (make) many things.8. It’s really sorry ____________ (hear) the bad news.9. People only __________ (use) wood to make the fire before.10. ___________ (Cut) down too many trees is bad for our city.11. We shouldn’t drive __________ (a lot of) because cars use too much energy.12. ____________ (Reuse) water can help us save water.13. Lucy and Lily’s ___________ (mother) will buy presents for them.14. ___________ (Use) too much plastic is bad for the Earth.15. The energy from coal and oil ___________ (help) us drive the cars.16. Can you use wood _____________ (make) many things?17. Our project is “__________ (Protect) the Earth”.18. We would like to make some ___________ (plastic) bags.19. ___________ (Slip) on a banana skin made him so sad.20. ____________ (Get) up, Lily. It’s late for school.21. There _________ (be) a pair of twins here just now.22. It’s easy ______________ (learn) English well.23. ___________ (Save) paper, it comes from wood.24. Do you know how ____________ (protect) the Earth?25. There ____________ (be) a fashion show on the first of January of 2017.26. Look! One of the twins _____________ (skate) there.27. He often______________ (have) dinner at home.28. Can you hear someone _____________ (sing)? It sounds very good!29. What can we do ______________ (keep) the air clean?30. It’s good for us __________ (drink) milk.31. There __________ (be) a lot of plastic bags in the river and the fish were dead.32. _____________ (make) the little girl happy, the policeman bought a sweet for her.33. We can walk to school ____________ (help) keep the city clean.34. Do you want ___________ (some) orange juice?35. Rubbish and dirty water ________ (make) the city dirty and messy every year.36. How ___________ (exciting) the football game is!37. Is it time _____________ (have) lunch?38. The students can’t wait ___________ (watch) the film.39. The signs on the wall ___________ (mean) different things.40. Black smoke and dirty water from factories _________ (make) our town so bad.41. ____________ (study) well, you should listen to the teachers carefully.42. Who_____________ (throw) the banana skin on the floor this morning?43. ___________ (Be) careful on the wet floor, please.44. The farmers are talking about ___________ (move) some factories away from the farm.45. Listen! The students _____________ (tell) fairy tales in the classroom.46. There was a sign ______________ (mean) “No parking” on the wall.47. You should ______________ (be) careful. The floor is wet.48. The apple ____________ (smell) nice. Can I eat it?49. There ______________ (be) many fish in this river before.50. We can use a knife _______________ (cut) paper.51. Can you tell me the way __________ (save) trees?52. There is no bread _____________ (and) milk in the fridge.53. Someone must _________________ (smoke). I can smell it!54. It’s ________________ (danger) for yo u to walk on the wet floor.55. Do you have ______________（many）rice? We are very hungry.56. There _________ (be) any students yesterday because it’s Sunday today.57. No ___________ (speak), the babies ___________ (sleep).58. The students are excited ___________ (hear) the good news.59. Bobby can’t wait ____________ (watch) the football game.60. Miss Li ____________ (teach) us English last term.61. Jim often asks his mother _______________ (read) stories for him.62. Nick______________ (not go) to the zoo on Sunday.63. She and I_____________ (take) a walk together every evening.64. You always______________ (do) your home work well.65. My mother _________________ (cook) some nice food now.66. Look. They _______________ (have) an English lesson.67. It’s 5 o’clock now. We _____________ (have) supper.68. He _________ (live) in Wuxi two years ago.69. The cat ________ (eat) a bird last night.70. Nancy ________ (pick) up oranges on the farm last week.71. My mother _______ (cook) a nice food last Spring Festival.72. The workers _________ (use) wood to make chairs and desks in the factory now.73. Do you want ____________ (some) hamburgers?74. How _________ (many) bowls of rice would you like？75. _______ (Think) hard, then you can get the answer.76. It’s clever for you _______ (reuse) these things.77. Linda _______ (meet) Cindy at the shopping centre an hour ago.78. Honey from bees _________ (taste) sweet.79. The girl is crying ________ (loud) because she’s ill.80. Be careful, or you will get _______ (lose) in the forest.81. The project _____ (go) well at first, but it turned hard then,82. That is the only______ (star) in the sky this evening.83. Would you like ________ (something) good to eat?84. People only _____ (do) shopping in the shops a few years ago.85. Jack _____ (spell) “sentence” in class this morning.86. People read newspapers _____ (get) news before.87. Who ____ (throw) the banana skin on the ground just now?88. Keep _____ (run), or you won’t catch up with the bus!89. Jennie feels happy after ______ (get) an email from Annie.90. Tom is always the last ____ (one) to come to school.91. Each of the students ______ (join) the party on 1st January 2017.92. People can use energy _______ (drive) cars.93. Will you join us ______ (protect) the Earth?94. Jessica is excited because the Spring Festival _______ (come).95. Bobby ____ (cut) paper to make a nice card for his mother this evening.96. There are so many ______ (drive) in the streets.97. ______ (Pick) the banana skin up, or the other children will slip on it.98. Jim and Sam’s ______ (cousin) will buy New Year presents for them.99. The little boy got ____ (lose) this morning, his parents were very worried. 100. Krystal _____ (know) a lot about signs when she was young.。