19．　　　　　　　 A cow has four _______ (stomach)

18．　　　　　　　 The baby has four ________ (tooth) at the age of one.

17．　　　　　　　 When you have a stomachache, you shouldn’t eat ________ (something) for some time.

16．　　　　　　　 He is kind of unhealthy, he should ________ (exercise) every day.

15．　　　　　　　 I need to take some _________ (medicine).

14．　　　　　　　 I don’t feel ________ (good)today.

13．　　　　　　　 It’s important _________ (sleep)nine hours a night.

12．　　　　　　　 Don’t__________ (be )stressed out.

11．　　　　　　　 I’m tired and I have a lot of ________ (headache)

10．　　　　　　　 If you have trouble, I can give you some _________ (advice)