题目内容
Which sentence is wrong?
A.We don’t think it necessary to give students tests every week. |
B.We don’t have to worry about not having enough to eat now. |
C.My father has left school for over twenty years. |
D.He was heard singing a pop song when I passed his room. |
C
答案C是错误的。因为leave不是延续性动词,在现在完成时态中不能与一段时间状语for over twenty years连用。而答案D是正确的。主动句可为:I heard him singing a pop song when I passed his room.
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