关于反义疑问:You must have seen her yesterday,___you A mustn't B haven't C didn't D don't 选C但是这个呢You must have seen her ,___you A mustn't B didn't C must be D A&B 答案给的是D 为什么跟上面的那个题答案不一样呢?
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关于反义疑问:You must have seen her yesterday,___you A mustn't B haven't C didn't D don't 选C但是这个呢You must have seen her ,___you A mustn't B didn't C must be D A&B 答案给的是D 为什么跟上面的那个题答案不一样呢?
关于反义疑问:You must have seen her yesterday,___you A mustn't B haven't C didn't D don't 选C
但是这个呢You must have seen her ,___you A mustn't B didn't C must be D A&B 答案给的是D 为什么跟上面的那个题答案不一样呢?
关于反义疑问:You must have seen her yesterday,___you A mustn't B haven't C didn't D don't 选C但是这个呢You must have seen her ,___you A mustn't B didn't C must be D A&B 答案给的是D 为什么跟上面的那个题答案不一样呢?
第二个答案不对的.
must表示推测不可以用mustn't 来反问.
mustn't didn't 都可以
上句有yesterday,就有了时间限制,过去发生的就用did
下句没有是一般现在时,所以两者皆可
只能是C
我认为答案应该是:haven't
当陈述部分有情态动词must,问句有4种情况:
(1)mustn't表示“禁止,不可,不必”时,附加问句通常要用must.
(2)must表示“有必要”时,附加问句通常要用needn't.
(3)当must用来表示对现在的情况进行推测时,问句通常要根据must后面的动词采用相应的形式。
(4)当m...
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我认为答案应该是:haven't
当陈述部分有情态动词must,问句有4种情况:
(1)mustn't表示“禁止,不可,不必”时,附加问句通常要用must.
(2)must表示“有必要”时,附加问句通常要用needn't.
(3)当must用来表示对现在的情况进行推测时,问句通常要根据must后面的动词采用相应的形式。
(4)当must+have done表示对过去的情况进行推测(一般句中有明确的过去时间状语),问句要根据陈述部分谓语的情况用“didn't+主语”或“wasn't/weren't+主语”;如果强调动作的完成(一般没有明确的过去时间状语),问句要用“haven't/hasn't+主语”。
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