题目内容
He ___ at the meeting this morning.He was in hospital at the time.
A. couldn’t have spoken B.mustn’t have spoken C. shouldn't have spoken
D. needn’t have spoken
A
解析:
作 “不可能”一类的否定推测,不要用mustn’t,而要用couldn’t.
练习册系列答案
相关题目
The plan he _____ at the meeting is under consideration now and the result will be____ soon.
| A．put up with; put up | B．came up with; come up |
| C．put forward; put up | D．came up with; come out |
Tom was disappointed that most of the guests _________ when he _________ at the party.
|
A．left; arrived |
B．had left; arrived |
|
C．left; had arrived |
D．had left; had arrived |