Question

—_______that your backpack?

— No, _________. It's his backpack .

A. is, it isn't B. Is, it isn't

C. Are, it is D. are, it is

Answer 1

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。