--- Excuse me, could you tell me ___?---- Sure. There is a post office at the first crossing.A. where is a post officeB. where I can buy some stampB. is there a post office near hereD. how far is a post office
Why not _____ help when you were in trouble?
Could you please ________?
Dropping litter ______ never allowed in our city.
It’s better ____ your voice down in public places.
-Would you mind my opening the window? -__________.