—Mum, 1 am hungry. May 1 have some______?—Of course. But don't eat too much.

---What should I do? Will you please give me some __________?         

．It’s best to plant trees(植树)in _____．

-- What’s your favorite sport ?-- _________. It’s interesting.

—Have you ever corrected these compositions ?—Of course．They are based on true stories．Most of them are from personal _______．