A driver should __ the road when .A concentrate on; drive B. concentrate in; driving C. concentrate

题目简介

A driver should __ the road when .A concentrate on; drive B. concentrate in; driving C. concentrate

题目详情

A driver should           __ the road when            .
A concentrate on; drive           B. concentrate in; driving
C. concentrate to; drove           D. concentrate on; driving
题型:单选题难度:偏易来源:不详

答案

D

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