III. Use the correct form of the word given in each sentence 1. Hoa’s grandfather is very…………………He often works with her parents on the farm.(help) 2. Her mother wants her to take care of……………..(her) 3. Hoa often washes her clothes and iron them………………………(careful) 4. My friend had a………………….last week. (tooth) 5. At first, Hoa thought everything………..strange and difficult. (be) 6. We should brush our teeth…………..(regular) 7. Minh looked………………….when Dr Lai asked him some question. (worry) 8. Hoa is………..now because she gets up early to take morning exercises. (differ) 9. Minh’s cavity is not…………….because it’s small. (seriosity) 10. We should brush our teeth every day and eat……………….(sensible)