介词练习题

　　单项选择。

　　( )1.___ the afternoon of May, we visited the old man.

　　A. On B. At C. In

　　( )2.Many people work ___ the day and sleep ___ night.

　　A. on ; at B. in ; in C. in ; at

　　( )3.He speaks Japanese best ____ the boy students.

　　A. between B. with C. among

　　( )4.A wolf ___ a sheep skin is our dangerous enemy.

　　A. with B. in C. on

　　( )5.Joan hopes to come back ___ three days.

　　A. after B. for C. in

　　( )6.They sent the letter to me ___ mistake.

　　A. by B. for C. with

　　答案：ACCBCA