7.have a (bad) cold (重)感冒

6.have a sore back 背痛

5.have a headache (患)头痛

4.be hungry 饥饿

3.be thirsty 口渴　

2.tooth---teeth 牙齿 <复>

1.foot---feet 脚 <复>

44.Most students do homework every day.　 大多数学生每天都做作业.

Unit 2

43.She goes to the movies once a week. 她一周去看一次电影.

42.How often does your mother go to the movies?你妈妈多久去看一次电影？