28.He gave us another piece of advice, of great help to the research work. A.which I think it is B.I think which is C.which I think is D.I think it is 查看更多

 

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He gave us another piece of advice, ________ of great help to the research work.

A.which I think isB.which I think it is
C.I think which isD.I think it is

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He gave us another piece of advice, ________ of great help to the research work.

A.which I think is                         B.which I think it is

C.I think which is                         D.I think it is

 

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He gave us another piece of advice, ________ of great help to the research work.


  1. A.
    which I think is
  2. B.
    which I think it is
  3. C.
    I think which is
  4. D.
    I think it is

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He gave us another piece of advice, _____ of great help to the research work.

[     ]

A. which I think is
B. which I think it is
C. I think which is
D. I think it is

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