-Whatarethese?-books.A.ThisisB.That’sC.

发布时间:2020-08-05 09:22:42

-What are these?-      books.A.This isB.That’sC.These areD.They are

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D解析根据问句可以选择答语为D,对于what are these 或those?用they are 来回答。故选D
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