We believe scientists will ________a way to solve the problem of air pollution.A.set offB.put offC.c

题目简介

We believe scientists will ________a way to solve the problem of air pollution.A.set offB.put offC.c

题目详情

We believe scientists will ________a way to solve the problem of air pollution.
A.set offB.put offC.come up withD.catch up with
题型:单选题难度:偏易来源:不详

答案

C

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