It was absurd that ________ those who had done better than him in this way.
A．did he envy B． he envied
C．he was envied D．was he envied
答案
B 句意：很可笑，他用这种方式嫉妒比他做得好的那些人。it作形式主语，that引导主语从句，在从句中用陈述语序，可排除A、D两项；再由句意可知是他嫉妒别人，用主动语态。
In 1800, a group of adventurers set out on their exploring trip. Five days later, they came to _______ is now known as Quebec.
A．what B．which C．the place D．where
---- Can you think of a case in which the ecology of an area is in balance?
---- Sure. You see, ______ an environment is undisturbed, the ecology of the area is in balance.
A．unless B．as C．though D．where
_____ changed him was a mountain bike he received for his 15th birthday.
A.What B. Whether C. It D. That
The question _____ should do the work requires further discussion in the next meeting.
A. who B. that C. whom D. why
In 1969, _____ everyone had dreamed of happened the astronaut landed on the moon.
A. that B. what C. which D. as
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