This is my good friend(朋友).—________ name is Tony.

_ ____ do you water the flowers?_ Three times a week.[ ]

Let’s go hiking _____ staying at home, shall we?—A good idea. [ ]

Mike, can you tell us something about our new teacher?– Oh, sorry. I know nothing because I _____________ him before.

Jimmy felt terribly sorry because he took his deskmate’s math book away__________[ ]