题目内容
I became a student ten years . I have been a student 1996. I have studied here
about 10 years.
about 10 years.
[ ]
A. ago, since, for
B. ago, for, since,
C. ago, before, for
D. ago, in, after
B. ago, for, since,
C. ago, before, for
D. ago, in, after
A
练习册系列答案
相关题目