题目内容
Helen ______ her keys in the office so she had to wait until her husband ______ home.
A. has left; comes B. left; had come
C. had left; came D. had left; would come
【答案】
C
【解析】考察时态。根据句意可知,Helen因为先把钥匙丢在了办公室,所以她要等她的丈夫回家。
所以leave发生在had to wait之前,即过去的过去,用过去完成时,第二空是until引导的时间状语从句,从句中用一般过去时表示过去将来。
练习册系列答案
相关题目
If Helen her credit card, she could have bought the dress.
A.brought | B.should bring | C.had brought | D.were to bring |
Helen ________ her keys in the office so she had to wait until her husband ______ home.
A.has left; comes |
B.left; had come |
C.had left; came |
D.had left; would come |