30. The coal we use today should _____ plants and trees.A.begin withB.start withC.commence asD.origi

题目简介

30. The coal we use today should _____ plants and trees.A.begin withB.start withC.commence asD.origi

题目详情


30. The coal we use today should _____ plants and trees.
A.begin withB.start withC.commence asD.originate as
题型:单选题难度:偏易来源:不详

答案

A

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