Some advice:
First: Always play in a safe place. A park is a safe place because there are no cars.
But don’t talk to anyone that you don’t know.
Second: Before you cross the road, stop and look both ways. Look left, look right, look left again.
Third: Don’t stay near dangerous buildings or houses. Something may fall on
your head.
Fourth: Medicines or pills（药丸）can be dangerous. Never swallow（吞下）any  bills or medicines you find in the cupboard.
Fifth: Wear a life jacket when you go out in a boat.
Sixth: Don't put your head out of a car , bus or train.
小题1:We are safe from cars_________.
A. if we play in the street              
B. if we play on the road
C. if we play in the park         
小题2:It’s __________ to take any pills you find in the cupboard.
A. safe              B. dangerous           C. allowed      
小题3:We_________ play games under a dangerous building.
A. should            B. shouldn’t            C. can
小题4:You have to _________when you go out by boat.
A .wear a life Jacket    B. eat much food       C wear a coat
小题5:We should________ before crossing the road.
A. look right           B. look left           C. look left ant right