◎ 题干
It is known to us __________ it was not until 1938 ________ the first colour TV programme began to be broadcast in the world.
A.that, whichB./, /C.that, thatD.which, that
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“It is known to us __________ it was not until 1938 ________ the first colour TV programme began to be broadcast in the world.A.that, whichB./, /C.that, thatD.wh…”主要考查了你对  【therebe句型】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。