——I’m sorry I______ my exercise book at home. ——Don’t forget ______it to school tomorrow, please.
--- You look hungry. Would you like some rice? ---_______. I’d like some noodles.
It’s time to get up. Let’s ____________.
The city library ________ eight hours a day. It ___________ at 9 p.m..
Little Sammie is ________ fat, because he eats ________ food.
There is _______ “U” and _____ “S” in the word “useful”.