There must have been something wrong with him,A mustn't there B isn't there C was there D wasn't there应该选择哪一个?haven't there对吗.

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There must have been something wrong with him,A mustn't there B isn't there C was there D wasn't there应该选择哪一个?haven't there对吗.
There must have been something wrong with him,
A mustn't there B isn't there C was there D wasn't there
应该选择哪一个?
haven't there对吗.

There must have been something wrong with him,A mustn't there B isn't there C was there D wasn't there应该选择哪一个?haven't there对吗.
haven't there.
对现在情况的推测,问句部分用主动词(do,be)一般现在时的适当形式.若是现在进行时,问句部分用现在进行时的适当形式表示.若是there be结构,问句用isn't/aren't there.如:
1)He must be there,isn't he?
2)He must have a big family,doesn't he?
3)He must be waiting outside,isn't he?
4)There must be some students in the room,aren't there?