这个要靠积累，靠语感，如wake him up,look after him不能说look him after.没有方法，只有靠积累，这个约定俗成的，都是些固定短语。顺被给你几道题目。
介词部分
1. It’s clear that fish cannot live _______ water .
A. with B. without C. in D. under
2. We have lived here _______ five years ago .
A. when B. since C. before D. after
3. _______ the night before Christmas Day , parents fill their children’s stocking with small presents .
A. In B. At C. To D. On
4. I was born _______ July 2 , and my birthday is coming soon .
A. for B. at C. in D. on
5. The foreigners arrived _______ Shanghai late _______ night .
A. at … at B. in … at C. in … in D. at … in
6. The book was written _______ English .
A. in B. with C. from D. by
7. Don’t worry . I’ll take good care _______ Polly .
A. for B. of C. with D. to
8. Mr. Smith is interested _______ making things .
A. in B. on C. at D. of
9. — Show me the letter , please .
— Which one ? The one _______ pencil ?
A. in B. with C. by D. on
10. — Sorry , Miss Zhang . I’m late again .
— Oh no , Meimei . You’re just in time _______ class .
A. for B. at C. of D. on
11. It’s very cold today . You’d better put _______ your coat when you go out .
A. away B. down C. on D. up
12. — What did Mary have _______ breakfast this morning ?
— She was late for school and hurried off _______ breakfast .
A. for ; without B. at ; without C. for ; after D. at ; after
13. — How long has he had that nice car ?
— _______ 1999 .
A. In B. Since C. From D. After
14. The foreigners have visited many places of interest _______ the west of China .
A. to B. on C. at D. in
15. You don’t need to look _______ every new word in your dictionary while reading .
A. for B. at C. after D. up
16. Swimming is good for our health , but _______ the same time we mustn’t forget the danger .
A. in B. at C. on D. for
参考答案：
1. B 2. B 3. D 4. D 5. B 6. A 7. B 8. A
9. A 10. A 11. C 12. A 13. B 14. D 15. D 16. B
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