单项选择题
A.expect cars to stop for you B.cross without giving the driver enough time to stop C.step off the pavement D.expect drivers to give you enough time to cross
A.wait until the bus or tram has left before you cross. B.always make sure you are behind the bus or tram. C.never cross in front the bus or tram. D.always cross in front the bus or tram.
A.simpler than B.more difficult than C.not yet understood D.the same as