She showed the visitors around the museum, the construction________had taken more than three years.
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A
for which
B
with which
C
of which
D
to which
推荐题目
The retired workers were invited to the company， ________surprise，changes had been so great over the years.
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A
whose
B
who
C
to whom
D
to whose
Saving money is ________ we must do.
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A
what that
B
anything that
C
something that
D
something which
The book, ____ are true stories about great scientists of the 20th century, is well worth reading.
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A
which
B
what
C
in which
D
of which
I often watch CCTV-9, ________ I have learned a lot of new words and expressions.
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A
from which
B
of which
C
to which
D
which
The only system I know ____ will help you remember what you have heard at a lecture is the system of keeping notes.
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A
what
B
that
C
where
D
one