摘要：18．He has made another wonderful discovery, of great importance to science. A. which I think it B. which I think it is C. that I think is D. which I think is
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He has made another wonderful discovery,___ of great importance to science.
A. who I think it B.which I think it is C. that I think is D. which I think is
查看习题详情和答案>>He has made another wonderful discovery,___ of great importance to science.
A. who I think it B.which I think it is C. that I think is D. which I think is
查看习题详情和答案>>He has made another wonderful discovery, ________ of great importance to science.
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A．which I think is
B．which I think it is
C．of which I think it is
D．I think which is
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