用所给动词的正确形式填空
小题1:Please tell them __________ (not throw) the paper away. They can use it again.
小题2:When I came in, I saw a purse __________(lie) on the floor.
小题3: --- I called you just now, but you didn’t answer.
--- Sorry, I ___________ (discuss) with my sister about homework.
小题4:The small village _________ ( turn) into a modern town in the past ten years.
小题5:I often hear her ________ (sing) in the next room.
小题6:There ___________ (be) a talk show on CCTV-4 at nine this evening, isn’t there?
小题7:The children __________ (enjoy) themselves in the park at the moment.
小题8:My cousin’s lovely cat __________ (die) two days ago.
小题9:He with his classmates ___________ (exercise) every morning.
小题10:I’m sorry I _______ (keep) you waiting for such a long time.