---Mr. Li, I can’t understand everything in class.---Don’t worry! I’ll ________ the main points at the end.
The car over there isn’t . It belongs to .
He worked , but he felt .
—Susan, why are you still here? They are all ready to start.—I’m sorry, but I when to meet.
—I’m sorry, Mr. Wu. I my homework at home.—Don’t forget it to school this afternoon.
Lily eat lots of desserts after supper last year, so she was very fat then.