——_______.Where is the post office?——________, I don't know.A.Hi; Thank you B.Excuse me; OK C.Excuse me; Sorry
______ a special day! A. What B. When
I talked ______ the phone. A. in B. on
I usually play football ______ Sundays. A. in B. on
He’s ______ music. A. listen to B. listening to
---______ is it? ---It’s five yuan. A. How much B. How many