1. 选词填空

pride, in fact, laugh at, connect…with, understand

1. （1） Can you this line that computer?
3. （2） The father was of his son's efforts at school.
5. （3） Bill my words and went away.
7. （4） Don't your classmates. That is not polite.
9. （5） He is tired.， he has walked for three hours.