This is the best book _____ I have been looking for all this year.
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A
who
B
whom
C
which
D
/
推荐题目
Is this the reason _____ at the meeting for his carelessness in his work?
#76822
A
he explained
B
what he explained
C
how he explained
D
why he explained
Gun control is a subject ________Americans have argued for a long time,
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A
of which
B
with which
C
into which
D
about which