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It was only after he had read the papers    Mr. Gross realized the task before him was extremely difficult to complete.
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A
when
B
that
C
which
D
What
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推荐题目
Jim’s mother just wants to know　　　that makes him so nervous.
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why it does
B
what he does
C
how it is
D
what it is
 It is _____ he often fails in exams ________ makes his parents worried about him.
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A
what; that
B
that; what
C
that; that
D
/; that
 I just don't understand_______ that prevents so many Americans from being as happy as one might expect.
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A
why it does
B
what it does
C
what it is
D
why it is
It is important         people        learn team spirit.
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A
of; of
B
of; to
C
for, to
D
to; to
It was not until late in the evening _____ her husband arrived home.
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A
which
B
when
C
that
D
How