If, unless 专项练习一、完成下列句子1. I’m sure if he _____(go) to the party, he________ (have) a great time.2. If the rain _______(stop) tonight, we will go to the cinema.3. I’ll buy a computer if I ______(have) enough money.4. You _________(not get) nervous if you _____(do ) enough exercise.5. I want to know if he _________(come) tomorrow, if he _______(come), I __________(give) the massage to him.6. Comrade Wang didn't know if there _______ (be) on English evening that day.7. Please tell me if she _______ (come) again next time.8. Mike asked me if we _______(ask) any questions the next class.9.The twins ______________ (fight) if they_______________ (argue).10. I ____________ (have) a bake sale if I _____________ (need) money for education.二、选择( )1. I don’t know _____ he will come tomorrow. _____ he comes, I’ll tell you.A. if; WhetherB. whether; WhetherC. if; ThatD. if; if( ) 2. He said he would help me with my maths if he _______ free.A.was B.will be C.would be D.is( ) 3. Tommy, do you know if Frank ________ to the zoo this Sunday if it ________?-Sorry, I have no idea.A. will go; is fineB. goes; is fineC. will go; is going to be fineD. goes; will be fine( ) 4. -Listen! It is still noisy in the head teacher’s office.-Go and see ________ they have finished correcting the papers yet.A. thoughB. whetherC. unlessD. while( ) 5. He asked me ________ we could go to Beijing to watch the game by plane.A. thatB. ifC. howD. what()6 . The volleyball match will be put off if it ______.A. will rainB. rainsC. rainedD. is raining()7. Difficulties are nothing if we ______ not afraid of themA. willB. shallC. areD. do()8. I don’t like to be interrupted if I______.A. speakB. will speakC. am speakingD. spoke ()9. If you______ the book you will understand the story better.A. will be readingB. have readC. will have readD. read( ) 10. There is going to______ a sports meeting next week. If it ______ , we’ll have to cancel it..A. be; will rainB. have; will rainC. be; rainsD. give; is going to rain()11. If you ______ a chance to study in a foreign country, just take it.A. gettingB. had gotC. will getD. get( ) 12. I want to know if they ____ the spring sports meeting next month.If they ____ it, I must get ready for it.A. hold; will holdB. will hold; holdC. hold; holdD. will hold; will hold()13. –Look, what have you done?-Sorry. I think if I ________ another chance, I’ll do it better.A. giveB. will be givenC. will giveD. am given()14.If you _______ him tomorrow, please ask him if he ______ to work on the farm with us.A. see ; goesB. will see; goesC. will see; will goD. see; will go( ) 15. It makes no difference __________.A. whether will you come tomorrow.B. Whether or not will be pass the examC. If he will come to the meeting or notD. Whether he will come to the meeting or not( ) 16. Even now many people still remembered ________ when hey heard about the 1976 earthquake in Tangshan.A. what were they doingB.that they were doingC. what they were doingD.if they were doing( ) 17. In summer, food goes bad easily _____ it is put in the refrigerator.A. untilB. ifC. unlessD. since( ) 18. –I hear Jack Chan will come to Shanghai next week.-Really? _______ he comes, my younger sister will be very happy.A. IfB. UntilC. UnlessD. Before( ) 19. We will have no water to drink______ we don’t protect the earth.A.until B. before C. though D. if( ) 20 –May I surf the Internet now?- No, _______ you have finished doing the dishes.A. unlessB. ifC. becauseD. when三、句型转换1.Do they want fried chicken? He asked the boys.(改为宾语从句)àHe asked the boys _______they ______fried chicken.2.Was the watch made in Shanghai?I don’t know.(改为宾语从句)àI don’t know_ ______the watch _______made in Shanghai.3..“Do you want to try something new?”Tom’s mother asked him.(同义句)Tom’s mother asked him _____________________to try something new.4. “Do you wash your clothes yourself?”Tom asked the girl next to him.(改复合句)Tom asked the girl next to him ______ ______ ______ her clothes herself.5. Did Peter come here yesterday? Li Lei wants to know. (改为宾从)Li Lei wants to know ______ Peter ______ here yesterday.6、You want to record. You should press the red button.(合并成含if的条件句)________________________________________________________________.7、I will go swimming. It won’t be cold tomorrow. (合并成含if的条件句)_________________________________________________________________.8、“Do you want to try something new?”Tom’s mother asked him. (改为复合句,句意不变) Tom’s mother asked him________________to try something new.9.我还没有决定是否去参加迈克的生日聚会。