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 查看更多

 

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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

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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

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He has made another wonderful discovery, ________ of great importance to science.

[  ]

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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He has made another wonderful discovery, ________ of great importance to science.

[  ]

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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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

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