He made another wonderful discovery, _______ of great importance to science.
#76145
A
which I think is
B
which I think it
C
which I think it is
D
I think which is
推荐题目
Barack Obama delivered a speech to 500 local youths during his visit to China，many of were from Fudan University and Tongji University．
#78041
A
them
B
whom
C
which
D
those
Last month, part of Southeast Asia was struck by floods, from ___ effects some people are still suffering.
#75919
A
that
B
whose
C
what
D
those
We live in an age _____ more information is available with greater ease than ever before.
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A
why
B
when
C
to whom
D
on which
April 23 is stated as World Book Day, an important date for literature around the world, _______ Shakespeare was born and died.
#75118
A
where
B
when
C
which
D
why