Smith ______ a book about China last year, but I don't know whether he has finished it.A.has wr

题目简介

Smith ______ a book about China last year, but I don't know whether he has finished it.A.has wr

题目详情

Smith ______ a book about China last year, but I don't know whether he has finished it.
A.has wroteB.wroteC.had writtenD.was writing
题型:单选题难度:偏易来源:不详

答案

B
时态题。句中有last year只能用过去时。

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