A driver should the road when .
A. concentrate on; drive
B. concentrate in; driving
C. concentrate to; drove
D. concentrate on; driving
网友回答
A. concentrate on; drive
B. concentrate in; driving
C. concentrate to; drove
(答案→)D. concentrate on; driving
解析:考察固定搭配和状语从句的省略。固定搭配:Concentrate on注意力集中于….;第二空在when后面省略了he/she is。当状语从句的主语和主句主语一直的时候,可以把状语从句的主语以及be动词一起省略。句义:当司机在驾车的时候,他/她应该把注意力都集中在道路上。故D正确。