摘要： He has made another wonderful discovery, great importance to science. A. which I think is of B. which I think it is of C. which I think is D. I think which is of
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He has made another wonderful discovery, _____ I think is of great importance to science.
A. which B. what C. when D. that
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He has made another wonderful discovery, ________ be of great importance to science．
[ ]
A．
which I think
B．
that I think
C．
which I think will
D．
when I think is
He has made another wonderful discovery， of great importance to science.?
A.which I think is B.which I think it is?
C.I think which is D.of which I think it is?
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