摘要： A number of tests have been conducted to that these drugs have no side effects. A. find out B. look for C. make sure D. work out
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A number of tests have been conducted to _________ that these drugs have no side effects.
- A.find out
- B.look for
- C.make sure
- D.work out
A number of tests have been conducted to _________ that these drugs have no side effects.
A. find out B. look for C. make sure D. work out
查看习题详情和答案>>A number of tests have been conducted to _________ that these drugs have no side effects.
A. find out B. look for C. make sure D. work out
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