摘要： There is no doubt that 100 years ago animal testing was cruel but today animals in experiments are very well taken care of.
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____________ no doubt that 100 years ago animal testing was cruel but today animals in experiments are very well taken care of.
A. It is B. There is C. This is D. That is
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____________ no doubt that 100 years ago animal testing was cruel but today animals in experiments are very well taken care of
- A.It is
- B.There is
- C.This is
- D.That is
______ no doubt that 100 years ago animal testing was cruel but today animals in experiments are very well taken care of.
A. It is B. There is C. This is D. That is
查看习题详情和答案>>