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【单选题】
Last night, before the exam, I went over the lessons_______I couldn’t keep my eyes open to stay awake any longer．
A.
before
B.
until
C.
unless
D.
when
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Should development be stopped________________nature?
A.
in honor of
B.
in search of
C.
in favor of
D.
in memory of
【单选题】After ________in the research for so many years，the scientist succeeded in finding the result at last．After ________in the research for so many years，the scientist succeeded in finding the result at l...
A.
buried
B.
being buried
C.
having buried
D.
having been buried
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A.
consisting of
B.
consists of
C.
made up of
D.
made up
【单选题】—Mom, I did not pass the exam.—What a pity! Youit.
A.
can pass
B.
should have passed
C.
must pass
D.
must have passed
【单选题】(2013·高考北京卷)Hurry up！Mark and Carol________us.
A.
expect
B.
are expecting
C.
have expected
D.
will expect
【单选题】The boy was so tired that he fell asleep _______ his mother could take off his clothes．The boy was so tired that he fell asleep _______ his mother could take off his clothes.
A.
before
B.
after
C.
while
D.
when
【单选题】When I first met Bryan I didn’t like him, but I ________ my mind．When I first met Bryan I didn’t like him, but I ________ my mind.
A.
have changed
B.
change
C.
had changed
D.
would change
【单选题】— Which type of car do you like better?— _____. They are both expensive and high emission (高排量). [ ]
A.
None
B.
Either
C.
Neither
D.
Both