The course normally attracts 20 students every year, ______ up to half will be from overseas.
A. in which
B. for which
C. with which
D. of which
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___________, everyone should handle these delicate instruments with care
As was mentioned just now
B. As having mentioned just now
C. Mentioned as just now
D. As just being mentioned
It wasn’t such a good dinner _______ she promised us.
A. that
B. which
C. as
D. what
There is not tree _____ bears some fruit
A. which
B. that
C. what
D. but
This is the reason ______ I am not in favor of revising the plan.
A. which
B. because
C. why
D. since
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