Theengineermustbeathome,forthelightison,___?A.mustn'theB.isn'thewhywechooseB?
2021-02-28 114次 反馈错误 加入收藏 正确率 : 100%
题目内容:
The engineer must be at home,for the light is on,___?
A.mustn't he
B.isn't he
why we choose B?
优质解答
must表示判断时,反意疑问句仍然按照原来那个句子来问,isn't he
must表示必须时,如 we must go home now,mustn't we?
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