It was not until 1920 ______ regular radio broadcasts began.

admin2009-04-15  41

问题 It was not until 1920 ______ regular radio broadcasts began.

选项 A、when
B、which
C、that
D、since

答案C

解析 这是一个It is (was)..that...的强调结构,强调时间状语。
转载请注明原文地址:https://kaotiyun.com/show/158d777K
0

最新回复(0)