VI.Choose the most suitable word to complete the passage.
Today, more and more people are learning about the importance of having a clean __________ (1) and teeth. When we eat, our teeth can collect food. If we __________ (2) clean our teeth, the food collects between them. This food can start to rot, or __________ (3). Soon the food starts to create bacteria. Bacteria can destroy our teeth and our gums, the skin surrounding our teeth. This can cause a lot of ___________ (4). Bacteria may change the colour of teeth. Some people’s teeth can _________ (5) yellow or black. Other people can even start to lose ___________ (6)! And gums can become painful and bleed. Having bad teeth can reduce quality of life.
1. A. mouth B. nose C. ears D. eyes
2. A. does not B. doesn’t C. do not D. do
3. A. go well B. decayed C. get well D. decay
4. A. paint B. pain C. painful D. paints
5. A. turn B. make C. makes D. colours
6. A. his B. our C. your D. their
VII.Choose the correct response (A, B, C, or D).
1. “Cigarette?” - “_________”
A. I smoke five cigarettes a day. B. It’s very expensive.
C. Not really. D. No, thanks.
2. “Is it far to the international airport from here?” - “_________”
A. Yeah, it’s pretty far. B. By taxi.
C. None at all. D. Sure, no problem.
3. “No one can play football as well as Bill.” - “_________”
A. You’re right. He doesn’t play it well. B. Yes, he’s a professional player.
C. No, de doesn’t like football. D. Yes, about once a week.
4. “Would you mind turning down the volume?” - “_________”
A. Of course. B. I’d be glad to. C. Not at all. D. Yes, sure.
5. “Why don’t you take a break?” - “_________”
A. Because I’m tired. B. I don’t agree.
C. Sure, go ahead. D. I guess I should
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Sinh Học lớp 12
