9. Scientists are making every to find a new cure to cancer.A. effectB. affectC. effortD.

发布时间：2020-08-16 07:24:57


9. Scientists are making every      to find a new cure to cancer.
A. effect
B. affect
C. effort
D. Afford

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A. effect
B. affect
(答案→)C. effort
D. Afford
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