20.You have to have a good preparation for the exam__________ you can do well in it.
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A
in order to
B
such that
C
such as
D
so that
推荐题目
Here is a survey about hopes and dreams ______ thousands of students took part.
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A
at which
B
in which
C
with which
D
about which
The American economy is still in trouble，________ the Chinese economy is beginning to pick up.
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A
when
B
however
C
while
D
therefore
Sarah hopes to become a friend of _____ shares her interests.
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A
anyone
B
whomever
C
whoever
D
who