is a fact quite a few people in China are growing rich on their hard work.
A. It; that B. It; which
C. This; that D. That; that
答案
A。考查主语从句。为了保持句子平衡, 经常用“it”作为形式主语, 放在句首, 而把真正的主语从句放到后面。从句中结构完整, 因此不用连接代词which。
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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