It was not until 1920______regular radio broadcasts began.A、whichB、whenC、that

游客2023-10-03 49

问题 It was not until 1920______regular radio broadcasts began.

选项 A、which
B、when
C、that
D、what

答案 C

解析本题考查句型。本句为强调句型，用that引导，故选C。

转载请注明原文地址:http://tihaiku.com/zcyy/3067973.html

相关试题推荐

随机试题

最新回复(0)