she -------a book about China last year,but l do not know wh

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/11 08:33:33

she -------a book about China last year,but l do not know whether she has finished it.
A has written B was writting C wrote D had written选什么为什么?

答案是 B
B was writting 一直在写,动作的持续性
C wrote 只是一个写的动作,那后面的“不知现在是否完成”就是多余的了
所以 C wrote 不符题意

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