题目内容
I have not seen him_____ he went to college.
|
A.when |
B.before |
C.as |
D.since |
【答案】
D
【解析】略
练习册系列答案
相关题目
—I have not finished with my dinner yet.
—But our friends ______ for us.
| A.will wait | B.wait | C.have waited | D.are waiting |