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 |
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I got nervous when the woman _____ opposite kept staring at me.
| A．seat | B．to seat | C．seating | D．seated |
. When asked why he went there, he said he was sent there ____ for a space flight.
| A．training | B．being trained | C．to have trained | D．to be trained |
__ the right to vote.He was about to go out for a walk _____ his teacher came to visit him.
| A．while | B．which | C．when | D．then |
ne to ______ in such a frightening situation, she felt very helpless.相关知识点
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