用“of”或“for”填空。

1.   It is important_____you to use your time wisely.

2.   It was brave_____him to dive from the cliff.

3.   It was thoughtful _____him to bring us the raincoat.

4.   It is necessary_____some of you to get there earlier.

5.   It’s better_____you to go to bed earlier at night before the test.

6.   It is good_____you to offer your seat to the old man.

7.   It is wrong _____him not to prepare his lessons.

答案:
1. for      
2. Of       
3. Of       
4. For
5. for （句子意思是对你有好处所以用for）
6. of （此句意思是你这人很好所以用of）7. of