They are ( )these books in the box.A.puts B.put C.

发布时间:2021-02-20 19:15:21

They are ( )these books in the box.A.puts B.put C.to put D.putting选择,最好帮我讲解一下.

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D他们正把这些书放到盒子里.现在完成时.are提示了,故用are putting
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