问题
选择题
I was watching the news on TV ________ the power went off.
A．when
B．as
C．while
D．until ．
答案
答案：A
连词辨析题。be doing sth. when 正在做某事这时……。句意：我在看电视新闻这时停电了。
搜题请搜索小程序“爱下问搜题”
I was watching the news on TV ________ the power went off.
A．when
B．as
C．while
D．until ．
答案：A
连词辨析题。be doing sth. when 正在做某事这时……。句意：我在看电视新闻这时停电了。