7.Shirley ______ a book about China last year but I don’t know whether she has finished it.

7.Shirley ______ a book about China last year but I don’t know whether she has finished it.

题目
7.Shirley ______ a book about China last year but I don’t know whether she has finished it.
A.has written B.wrote C.had written D.was writing
怎么选择呢?过去式,过去进行时,怎么区分呢?
答案
D
强调过去一年一直在写,没有间断.
只强调过去,与现在没什么关系,因此不用完成时
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