VI. Read carefully and choose the best answer to complete the following passage
How can we keep our teeth healthy?
Firstly, we (1)_____ to visit our dentist twice a year. He can fill the small holes in our teeth (2)______they destroy the teeth. He can examine our teeth to check that they are growing in the right way. Unfortunately, many people wait until they have toothache before they see a dentist.
(3)_______, we should brush our teeth with a toothbrush and fluoride toothpaste at least (4)_________ – once after breakfast and once before we go to bed. We can also use wooden toothpicks to (5)______ between our teeth after a meal.
Thirdly, we should eat food that is(6)______ for our teeth and our body such as milk, cheese, fish, brown bread, potatoes, red rice, raw vegetables, and fresh fruit. Chocolate, sweets, biscuits and cakes are bad, (7)_______ when we eat them between meals. They are harmful (8)_______they stick to our teeth and cause decay.
1. | A. has | B. should | C. must | D. ought |
2. | A. before | B. after | C. for | D. to |
3. | A. Finally | B. After then | C. Secondly | D. Thirdly |
4. | A. once a day | B. twice a day | C. twice a month | D. twice a year |
5. | A. clean | B. cleans | C. cleaning | D. cleaned |
6. | A. bad | B. good | C. useless | D. harmful |
7. | A. special | B. especial | C. specially | D. especially |
8. | A. so | B. although | C. because | D. but |
Answer:
1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. |
1 D
2 A
3 C
4 B
5 A
6 B
7 D
8 C