_______ is known to everybody, the moon travels around the earth once a month. .
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A
It
B
As
C
That
D
What
推荐题目
Recent accidents, _________ forty-five people lost their lives, have renewed concerns over the safety of overnight buses.
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A
that
B
where
C
which
D
when
After graduating from college, I took some time off to go travelling, ________turned out to be a wise decision.
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A
that
B
when
C
where
D
which
Students should involve themselves in community activities they can gain experience for growth.
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A
who
B
when
C
which
D
where
Dorothy was always speaking highly of her role in the play, ___ , of course, made the others unhappy.
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A
who
B
which
C
this
D
what
Leaving behind family members, these farmers are strangers to the cities ______ they work.
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A
in that
B
at which
C
where
D
which