A turning point of the continuously high housing price won’t appear suddenly because there must be a certain process ______ many factors lead to the change.
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A
which
B
what
C
where
D
that
推荐题目
Peter has many friends，______can help him .
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A
few of which
B
few of whom
C
few of that
D
few of them
The students _____ are hard-working and ready to help others should be praised.
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A
who
B
whom
C
which
D
whose