—I can never forget the day ___ we spent together in the summer camp．—Well, especially the day _______it suddenly began to rain in the middle of the night．
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A
when; when
B
which; when
C
what; that
D
on which; when
推荐题目
The book was written in 1946, ____ the education system has witnessed great charges.
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A
when
B
during which
C
since then
D
since when
Is this research center ________ you visited the modern equipment last year?
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A
where
B
that
C
the one that
D
the one where
After living in Pairs for fifty years he returned to the small town ______ he grew up as a child.
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A
which
B
where
C
that
D
when
They are only children of not more than twelve and don’t realize_______to organize such an exhibition.
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A
when they take
B
what it takes
C
how they take
D
what takes them
After ten years, she changed a lot and looked different from _______ she used to be.
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A
that
B
whom
C
what
D
who