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 message 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; Whether B. whether; Whether C. if; That D. 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 fine B. goes; is fine
C. will go; is going to be fine D. 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. though B. whether C. unless D. while
( ) 5. He asked me ________ we could go to Beijing to watch the game by plane.
A. that B. if C. how D. what
（ ）6 . The volleyball match will be put off if it ______.
A. will rain B. rains C. rained D. is raining
（ ）7. Difficulties are nothing if we ______ not afraid of them
A. will B. shall C. are D. do
（ ）8. I don’t like to be interrupted if I______.
A. speak B. will speak C. am speaking D. spoke
（ ）9. If you______ the book you will understand the story better.
A. will be reading B. have read C. will have read D. read
( ) 10. There is going to______ a sports meeting next week. If it ______ , we’ll have to cancel it..
A. be; will rain B. have; will rain
C. be; rains D. give; is going to rain
（ ）11. If you ______ a chance to study in a foreign country, just take it.
A. getting B. had got C. will get D. 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; hold C. 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. give B. will be given C. will give D. am given
（ ）14.If you _______ him tomorrow, please ask him if he ______ to work on the farm with us.
A. see ; goes B. will see; goes C. will see; will go D. see; will go
( ) 15. It makes no difference __________.
A. whether will you come tomorrow.
B. Whether or not will be pass the exam
C. If he will come to the meeting or not
D. 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 doing B.that they were doing
C. what they were doing D.if they were doing
( ) 17. In summer, food goes bad easily _____ it is put in the refrigerator.
A. until B. if C. unless D. since
( ) 18. –I hear Jack Chan will come to Shanghai next week.
-Really? _______ he comes, my younger sister will be very happy.
A. If B. Until C. Unless D. 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. unless B. if C. because D. when
三、句型转换
1.Do they want fried chicken? He asked the boys.(改为宾语从句)à
He asked the boys _______they ______fried chicken.
2.Was the watch made in Shanghai?I don’t know.(改为宾语从句)à
I 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。
I haven’t decided _________I __________ to Mike’s birthday party .
10、张清问他奶奶是否还要些面条。
Zhang Qing asked his grandma _________she __________noodles.
11、 If you are not brave, you’ll lose your last chance.（保持句意不变）
__________ you are ________, you’ll lose your last chance.
12、 Unless you go to bed early, you will feel tired. (保持句意不变)
_______you ______ go to bed early, you will feel tired.
13、If you practice playing the piano regularly, you will improve your skills.
You will ______improve your skills ________ you practice playing the piano regularly.
14、If you don’t improve your handwriting, you’ll lose marks in the exam.
________ you ________ your handwriting, you’ll lose marks in the exam.
15、I will sleep with the window open unless it is too cold.
________ it ______ too cold, I will sleep with the window open.
四. 填入适当的连词。
1. My brother is ill, ________ I have to stay at home.
2. The film must be very interesting, ________ many people are buying tickets in line.
3. My computer is new, ________ it is too expensive.
4. There are a lot of stories about the UFOs, _______ no one knows whether they are true or not.
5. Put on your coat, ________ you will catch cold.
6. She got a “C” in English test, ________ she had tried his best.
7. _____you have a few more days’ rest, you’ll feel better.
8. I really don’t know ______ it is going to rain or not this afternoon.
9. _____ you get enough sleep, food, rest and exercise, studying English can be very effective and interesting.
10. _______ the thief is caught red-handed, he will not admit anything.
五、填入适当的连词
John King wanted to become a teacher, he liked children very much, he was 21 years old, he began teaching in a small school. He was good at teaching, he laughed a lot with the children in class. One day a girl asked him, “Mr King, why does a man‘s hair become grey his beard does. ”John couldn’t answer the question, he didn‘t get angry. He wondered some one could answer it. Then one of the boys said，“I know, Mr King! Men’s hair becomes grey first it‘s sixteen years older their beard.”
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