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我想一定是你弄错了.I think you _____ have _____ a mistake.Must I fini

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我想一定是你弄错了.
I think you _____ have _____ a mistake.
Must I finish my homework now?
No,you ______
A.mustn’t
B.can’t
C.needn’t
D.may not
This computer must be Mary’s,____?
A.mustn’t it
B.must it
C.can’t it
D.isn’t it
露西和丽丽看起来一模一样,她们一定是双胞胎姐妹.
Lucy and Lily _______ _________ _________..
They _____ ________ twin sisters.
他把他们算到他最好的朋友里面
He _______ them among his best friends.
我想一定是你弄错了.I think you _____ have _____ a mistake.Must I fini
must made
C
D
look the same
must be
counts