It is required that all traffic particip
题型:选择题
问题:
It is required that all traffic participants should _____ the traffic rules to make traffic safer and faster.[ ]
A. perform
B. observe
C. support
D. possess
It is required that all traffic participants should _____ the traffic rules to make traffic safer and faster.[ ]
A. perform
B. observe
C. support
D. possess