After living with his grandparents in the countryside for ten years, the boy returned to the big city ____ his parents worked.
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A
which
B
where
C
that
D
when
推荐题目
in the regulations that you should not tell other people the password of your e-mail account.
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A
It requires
B
It is required
C
What requires
D
What is required
The thought of going back home was_______kept him happy while he was working abroad．
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A
that
B
all that
C
all what
D
Which
This is the best film ___ have ___seen.
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A
that, never
B
which, ever
C
that I , ever
D
which I , ever
She is the only one of the students _______ able to answer this question.
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A
who is
B
who are
C
that is
D
that are
(2013·山东卷)There is no simple answer，________is often the case in science.
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A
as
B
that
C
when
D
where