`I.`
1. A. tables
2. B. sugar
3. D. who
`II.`
4. B. cold
5. B. historian
`III.`
6. B. It’s all right, thanks
7. C. How far is the beach
8. A. What’s Mary like?
9. C. mustn’t
10. A. the more difficult
11. B. so that
12. B. getting
13. A. had just finished/ were clapping
14. C. much more worried
`X.`
41. Lan received a bike from her parents as a birthday present.
42. I spend about two hours each day doing my homework.
43. Hoa studies hard.
44. An is a dangerous driver.
45. When did you buy this car?
`X.`
46. I don’t like eggs, and my brother doesn’t either.
47. What will the weather be like tomorrow?
48. She gets used to heavy traffic in the city.
49. Ha Long Bay is one of the most famous tourist destinations in Vietnam.
50. What a clever girl! She learns to cook.