针对英语学习者生成一个练习题。


主题: 前置词
Choose the correct preposition to complete each sentence:

1. I'm not very good _____ playing tennis.
a. at 
b. for 
c. with 

2. He's not happy _____ his grades.
a. about 
b. from 
c. of 

3. She's been waiting _____ the bus for 20 minutes.
a. on 
b. at 
c. for 

4. They're going _____ vacation next week.
a. in 
b. to 
c. for 

5. Could you please pass the salt _____ me?
a. to 
b. for 
c. at 

Answers: 1a, 2a, 3c, 4b, 5a.