首页 > 中学英语试题 > 题目详情
It is known to us __________ it was not until 1938 ________ the first colour TV programme began to b...
题目内容：
It is known to us __________ it was not until 1938 ________ the first colour TV programme began to be broadcast in the world.
A．that, which B．/, / C．that, that D．which, that
本题链接：