名词从句专项练习单项选择(共50 小题)1.It is doubtful ___________ he knows it or not.A.thatB.ifC.whatD.whether2._______that there is another good harvest this year.A.It saysB.It is saidC.This isD.He was told3.Is this _________looking for?A.you wereB.that you wereC.what were youD.what you were4.______we are doing has never been done before.A.ThatB.WhichC.WhetherD.What5.She said that she ________ there for two years.A.has workedB.had workedC.was workingD.worked6.He said that he _________us.A. will helpB. would helpC. is helpingD. helped7.Now we have learnt ____________.A.what is heatB. whether is heatC. when is heatD. what heat is8.She ________ that she lives in London.A.saidB.saysC.had saidD.was saying9.Can you tell us _____________.A.who that man isB.who is that manC.what is that manD.whom that man is10.I wonder ____________.A.how much cost these shoesB.how much do these shoes costC.how much these shoes costD.how much are these shoes cost11.--Why is Jack so late?--I don't know _________be.A.can what the reasonB.what the reason canC.the reason what canD.what can the reason12.Ask him ____________.A. how old he isB. how old is heC. how old has heD. how old he has13.He wanted to know _________ there.A.how long time I had beenB.how long had I beenC.how long time I have beenD.how long I had been14.He always thinks of ________ he can work better for the people.A.whatB.whichC.whyD.how15.--What is that thing?--I don't know what _______.A.is that thingB.was that thingC.it isD.is it16.--What does she want?--I don't know what ________.A. does she wantB. did she wantC. she wantedD. she wants17.--Where did they do it?--I am not sure where ________.A. they did itB. did they do itC. they do itD. do they do it18.--When do this shops open? --I don't know when ___________.A. those shops openB. are those shops openC. do those shops openD. those shops open19.The policeman wanted to know ____________.A.where I was goingB.where I am goingC.where I goingD.where was I going20.______ he will attend the meeting is certain.A.WhatB.ThatC.In whichD.If21.The decision is _______ you must go alone.A./B.thatC.whichD.what22.Can you point out _______ two radios ate the best?A.whichB.whatC.thatD.whether23.I asked her in English _______ she was,and she told me ______she was an actress.A.who; thatB.who; /C.what; /D.how; that24.She took it for granted _______I'd be back home an hour ago.A.thatB.whetherC.ifD.when25.At that time I had no idea _______ I could hand it to him without being seen.A.ifB.thatC.that ifD.whetherst Sunday he made a promise ______ he was free he would take me to Dalian.A.ifB.thatC.that ifD.whether27.The true value of life is not in ________,but_________.A.how you get...that you giveB.which you get...what you giveC.what you get...what you giveD.what do you get...what do you give28._____surprised me most was __________.A.That; that she spoke Japanese so wellB.What; how could she speak Japanese so wellC.What; that she spoke Japanese so wellD.That; why she could speak Japanese so well29.These computers are different from _________.A.that we expectedB.what we expectedC.which we have expectedD.what we expect30.I wonder _________ Mrs Brown is still alive.A.ifB.howC.howeverD.that whether31._______ Mary always studies well is known to us.A.WhenB.WhichC.ThatD./32.They want to know ________ do to help us.A.what can theyB.how they canC.what they canD.how can they33.They want to know _____________?A.whose umbrella is thisB.whose umbrella this isC.whose this is umbrellaD.whose is this umbrella34._______he is a rich man is know to all in the city.A.BecauseB.ThatC./D.Who35._______the moon has no light of its own is a well-known fact.A.ThatB.IfC.WhetherD./36.It doesn't matter ________we need it or not.A.whetherB.ifC.thatD./37.______ we need it is a different matter.A.IfB.WhetherC./D.What38.The fact _____ the earth is round is true.A.thatB.whichC.whatD.why39.It is certain _______he will come.A./B.thatC.whatD.which40.Smith came here to look for someone, but I didn't know______was the one he was looking for.A.whoB.whomeverC.whomD.whatever41.The fact ______ he was successful proves his ability.A.thatB.whatC.whichD.why42._______mathematics is the base of all other science.A.This is becauseB.This is thatC.It is thatD.Because43.The problem _______ we can master modern science and technology in a short time.A.is ifB.is thatC.is whatD.is how44.This is one of the examples of _______ by telegraph.A.how are messages sentB.that messages are sentC.that are messages sentD.how messages are sent45.Can you tell me _______exercise is the easiest?A.whatB.ifC.whichD.that46.__________ came to see me?A.Who you thinkB.Do you think whoC.Who do you thinkD.Whom do you think47.Do you know _____________?A.who is sheB.who she isC.whom she isD.she is who48.You may take ________ book you like.A.whichB.onlyC.whicheverD.what49.Spanish and French are taught. You may choose _____ you like.A.whomeverB.whichC.whicheverD.whatever50._________ wins the prize may get the car.A.WhoB.WhomC.WhoeverD.Whomever1--5 DBDDB 6--10 BDBAC 11--15 BADDC 16--20 DAAAB 21-25 BACAB 26-30 CCCBA 31-35 CCBBA 36--40 ABABA 41--45 AADDC 46-50 CBCCC。