It’s hard-working ____ him to spend three hours ____ the library on Sunday.
It is interesting for us ________ this game.
Sun Yang ________ every day and he swims very well.
—________ is it from your city to my city?—I am not sure.Maybe 200 kilometers.
It takes me half an hour ________ the piano every day.A.playB.playingC.to play
Jim often ________ school at 8:00 and ________ home at 17:00.