1)If you....the rules,there will be no problems.
2)There is no cure.....this disease.
3)You....not park at the bus stop,it's against the law.
4)You....return books to the library on time,that's the rule.
If there's a fire in your hotel room,set....the nearest fire alarm.
Waiter,.......l see the menu,please?
Excuse me sir,......you tell me where the nearest bank is,
Children are not allowed to eat....class.
You must not...litter on beaches.
Pandas will become....if we don't protect them.
If necessary,use the fire....to put out the fire.

1) If you know the rules, there will be no problems.2 There is no cure for this disease.3) You cannot park at the bus stop, it's against the law.4) You must return books to the library on time, that's the rule.If there's a fire in your hotel room, set off the nearest fire alarm.Waiter, could l see the menu, please?Excuse me sir, could you tell me where the nearest bank is,Children are not allowed to eat in class.You must not leave litter on beaches.Pandas will become extinct if we don't protect them.If necessary, use the fire extinguisher to put out the fire.