题目内容

—_______that your backpack?
— No, _________. It's his backpack .

A.is, it isn'tB.Is, it isn't
C.Are, it isD.are, it is

B

解析试题分析:句意:那是你的背包吗?不,它不是。它是他的背包。 主语that是第三人称单数,故谓语动词是is; Is that ...?的否定回答是No,it isn't.故选B。
考点:考查交际用语。

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