Question

Mr Smith ______ a book about China last year but I don’t know whether he has finished it.

A. has written　　　　　　　 B. wrote

C. had written　　　　　　　 D. was writing

 

Answer 1

D

这是由 but I don’t know whether he has finished it 这一句话的语境决定的，全句意为“史密斯先生去年在写一本书，但我不知道他现在是否写完了”。