补全对话，填写对话内容，使其完整、正确，每空词数不限。

A: Excuse me. May I ask you some questions?

B: Certainly.

A: ?

B: I eat vegetables at least twice a day, almost every meal.

A: Do you like them?

B: . But doctors say vegetables are good for my health.

A: Do you like junk food?

B: . But I try to eat it only once a week.

A: Why?

B: .

A: How many hours do you sleep every night?

B: .

A: Oh, I think you must be in good health.