.—She must have gone back to the valley.—No, she. The entrance to it was nowhere to be fou

发布时间:2020-08-16 09:24:06

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—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. may not

网友回答

A. mustn’t
B. needn’t
(答案→)C. couldn’t
D. may not
解析:词义辨析题。  A. mustn’t 禁止 B. needn’t 不必  C. couldn’t 不可能 D. may not 也许不 句意:她一定回到山谷了。不可能,进入山谷的路口找不到。根据语境选C
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