本课时主要短语和句型
1.keep doing sth.
2.can't help doing sth.
3. It's time to...
4.I don 't think we agree.
5. We've finished our homework.
6. Why don't we...?

根据句意和汉语提示写单词。
1. He is so humorous_(幽默的）that he always makes people laugh.
2. Soldiers should protect(保护) their country.
3.They fight(与….…战斗)bad people.
4.He is a handsome(英俊的)young man.
5. A brave(勇敢的)fireman saved the woman.