When we are () ,we should walk on the pavement.At the (),we shouldn't cross the road until the traffic().Don't ()basketball,read books or to music while walking.When we are ()a bike ,we should()ahead and keep both hands on the handle bars.Don't ()anyone on your bike,It's not safe.When we are()a bus,we should line up and get on/off one by one.Don't ()to get on/off before the bus stops.在括号内填入：watch，listen，walk，take，carry，stop，try，play，ride。

When we are () ,we should walk on the pavement.At the (),we shouldn't cross the road until the traffic().Don't ()basketball,read books or to music while walking.When we are ()a bike ,we should()ahead and keep both hands on the handle bars.Don't ()anyone on your bike,It's not safe.When we are()a bus,we should line up and get on/off one by one.Don't ()to get on/off before the bus stops.
在括号内填入：watch，listen，walk，take，carry，stop，try，play，ride。