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

這是由 but I don’t know whether he has finished it 這一句話的語境決定的，全句意為“史密斯先生去年在寫一本書，但我不知道他現(xiàn)在是否寫完了”。