As a driver,you should be familiar _____ the traffic rules.A.are crowded B.crowded C.is crowded D.crowding

问题描述:

As a driver,you should be familiar _____ the traffic rules.
A.are crowded B.crowded C.is crowded D.crowding

As a driver, you should be familiar __with___ the traffic rules.

1.with,be familiar with 熟悉