题目内容

Helen ________ 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
答案:D
解析:

从时间状语last year判断排除A和C,B含义为去年“写完”与but后的内容不连贯。was writing含义为去年“一直在写”,故选D.


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