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