The engineers made two big plans for the dam, ____ was never put in force.
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A
one of them
B
which
C
one of which
D
every one of which
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The boys are still playing basketball happily on the court ______ it is raining heavily.
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A
in case
B
even though
C
as if
D
as long as
The time is not far away____modern communications will become widespread in China’s vast countryside.
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A
as
B
until
C
before
D
when
We have overlooked the fact __________ the children’s emotional development may be easily damaged.
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A
which
B
that
C
what
D
不填
When travelling in America, we stayed in a quiet hotel, __________.
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A
next to it was a thick wood
B
next to which was a thick wood.
C
next to it there was a thick wood
D
next to which a thick wood was