问题 选择题

 Jack had traveled six miles across the Channel  _____his engine failed and was forced to land on the sea .     

A.when

B.until

C.after

D.since

答案

答案:A

when:and at this moment suddenly,正在这时突然,引导时间状语从句。故选A。

单项选择题 B1型题
单项选择题