题目内容
-I saw Dave in the lift this morning.
-Really?He ________ around here for a long time.
[ ]
A.won't be seen
B.wasn't seen
C.hasn't been seen
D.hadn't been seen
答案:C
解析:
解析:
|
由for a long time可判断用现在完成时. |
练习册系列答案
相关题目