问题
选择题
The woman was about to open the door ____________ she heard a strange sound from inside.
A．as
B．while
C．when
D．then
答案
答案：C
考查固定句型。Be about to do sth when…正要做某事在这时….；句意：那个女的正要开门，在这时她听见里面传来奇怪的声音。
搜题请搜索小程序“爱下问搜题”