( )We should turn the lights when we leave the room A. on B. off C. in
Is there a post office near here? A.Yes ,there is B.Yes it is.
Is the cap?-- No, it’s on the desk. A.on the desk. B.on the floor.
What size do you like? A.Blue ,please. B.Small ,please.
How much are the shoes? A.It’s 30 yuan. B.They’re 30 yuan.
Do you like pandas? A.Yes, I can. B.Yes, I do.