As it turned out to be a small house party, we _______ so formally.A．needn’t dre
题型：不详难度：来源：
As it turned out to be a small house party, we _______ so formally.| A．needn’t dress up | B．didn’t have to dress up | | C．might not have dressed up | D．needn’t have dressed up |
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答案
| D |
解析
| 根据前一句说这是一个小型的家庭聚会，所以后一句意思是：本没必要，故选D。 |
举一反三
----Will Mr. Smith join us in the party ?
----He would, but he _____not . He sometimes likes to stay alone.
A must B can C need D may |
.We were all waiting for you .You _____for the seaside by yourself without leaving a message.| A．mustn’t leave | B．shouldn’t have left | C．couldn’t have left | D．needn’t leave |
|
She is late. What _____have happened to her?
A should B must C can D would |
----She must have gone back to the valley.
----No, she _____. The entrance to it was nowhere to be found.
A mustn’t B needn’t C couldn’t D hadn’t |
| A．may not be | B．won’t be | C．couldn’t be | D．mustn’t be |
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