题目内容
【题目】Some passengers were walking through the big halls at Paris' Airport______ the whole root fell down.
A.while
B.when
C.as soon as
D.after
【答案】B
【解析】考查时间状语从句。句意:一些乘客正经过巴黎戴高乐机场的其中一个大厅时,(突然大厅)的整个顶部全掉落了下来。be doing sth...when...固定句式,”当......正发生时,另外一件事发生了,“与此句型意思相同的其他句型有be on the point of doing sth/be about to do sth...when...故选B。
练习册系列答案
相关题目