23. Speed of cars is measured ________kilometres per hour.A.on B.inC.byD.to-英语

题目简介

23. Speed of cars is measured ________kilometres per hour.A.on B.inC.byD.to-英语

题目详情


23. Speed of cars is measured ________kilometres per hour.
A.on B.inC.byD.to
题型:单选题难度:偏易来源:不详

答案

B

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