17. What’s the matter? – I have a……………….
A. very pain toothache B. very painful toothache C. very toothache painful
18. What do you do ………….yourself clean and tidy?
A. and keep B. for keeping C. to keep
19. Lien look worried because she always ………….to brush her teeth.
A. forget B. forgets C. to forget
20. Most children feel…………………..when they come to see the dentist.
A. scared B. sad C. happy
21. You can get……………..if you read for a long time.
A. headache B. a headache C. the headache
22. Take an eye test………………it continues for a few days.
A. because B. if C. but
23. You can have a headache if you are very………………..
A. tire B. tired c. tiring
24. Take an aspirin………………..any other tablets to kill the pain.
A. if B. but C. or
25. However, ……………take more than two tablets at any time.
A. not B. don’t C. can’t
26. If your headache does not go away, …………….another tablet about four hours later.
A. take B. to take C. taking
27. Fortunately, …………are harmless not serious.
A. most of headaches B. most headaches C. most the headaches
