He gave us another piece of advice, ________ of great help to the research work.
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A
which I think is
B
which I think it is
C
I think which is
D
I think it is
推荐题目
With economy getting worse，we have reached the point________we have to cut down our daily expenses.
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A
that
B
which
C
when
D
where
The project is based on an agreement, one of _____ purposes is to ensure that the project can be completed before the deadline.
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A
whose
B
which
C
its
D
what
The children, _____ had played the whole day long, were worn out.
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A
all of what
B
all of them
C
all of whom
D
all of which
Have you ever had a case _______ someone accused your journalists of getting the wrong end of the stick?
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A
where
B
which
C
that
D
when