He made another wonderful discovery, _______________ of great importance to science.
#77780
A
which I think is
B
which I think it is
C
which I think it
D
I think which is
推荐题目
Green tea, many experts suggest, should be drunk regularly to improve health.
#78446
A
which
B
where
C
when
D
as
When deeply absorbed in work，________he often was，he would forget all about eating or sleeping.
#75247
A
that
B
which
C
where
D
when
The taxi ________ I usually took to my office was destroyed in a traffic accident?
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A
in which
B
by which
C
which
D
with which
The guitar _____ John composed their first hit is now in a music museum.
#78548
A
by what
B
with which
C
on that
D
at which