关于情态动词反义疑问句和表推测的几道题

1.where is Tom?He isn't here I think he___have gone homeA may B must C might D .Above all2.where is Mary?She ___in the libraryAshould be B must be C can be D must have been3.You must be a wriiter,___you?A mustn't B are C must D aren't4.You must have seen her yesterday,___you?A mustn't B haven't C didn't D don't 5.You must have seen her,__you?A haven't B didn't C don't D A or B6.He ought to have won the firsr prize,__you?A oughtn't B shouldn't C ,mustn't D oughtn't to

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第1个回答 2013-11-24

第1题B must have done 表示对过去行为的非常肯定的推测第2题 B 表示揣测可能，一定第3题 D must的否定式是needn't 排除法选D第4题 C 同第3题第5题 A 第6题 A

第2个回答 2013-11-24

1.B 2.B 3.D 4.C 5.C 6.A

第3个回答 2013-11-24

1。D2.B3.D4.C5.A6.第六个原题有错误吧？

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