After _____ seemed ages, the newsman disclosed the facts.
A. what B. it C. which D. that
答案
A
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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