April 1 st is a special day,      practical jokes may be played without punishment.
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A
in which
B
on which
C
with which
D
for which
推荐题目
He was finally admitted to Beijing University. Never in all his life ______ so happy.
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A
he had felt
B
had he felt
C
he felt
D
did he feel
It is the first time that I _______ this kind of tasty moon cake.
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A
enjoy
B
have enjoyed
C
has enjoyed
D
am enjoying
It’s wise to forget things which aren't worth ______.
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A
being remembered
B
remembering
C
to be remembered
D
to remember
As we all know, the advantage _______ is good for students’ self-improvement.
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A
they take of the library
B
they take the library
C
they take to the library
D
they take the library of