问题
选择题
A driver should __ the road when . [ ]
A. concentrate on; drive
B. concentrate in; driving
C. concentrate to; drove
D. concentrate on; driving
答案
D
搜题请搜索小程序“爱下问搜题”
A driver should __ the road when . [ ]
A. concentrate on; drive
B. concentrate in; driving
C. concentrate to; drove
D. concentrate on; driving
D