（1）You should eat

three or four times a week.
A.fruit and fish.
B.vegetables and mutton.
C.fruit and vegetables.
（2）Tofu is good for

.
A.young people.
B.old people.
C.young and old people.
（3）Why do people have milk？
A.It's delicious.
B.It's a kind of drink.
C.It can help you keep strong.
（4）You should have milk

.
A.four times a day.
B.twice a day.
C.twice a week.
（5）What should you do after supper？

.
A.take a walk.
B.watch TV.
C.do morning exercises.