If there___on the street,you must be more careful to cross itA.are many traffics B.is many traffics C.is much traffic D.is a lot of traffics
问题描述:
If there___on the street,you must be more careful to cross it
A.are many traffics B.is many traffics C.is much traffic D.is a lot of traffics
答
c
答
C,因为traffic不可数