VII.

31. staying

32. are

33. noisy 

34. cleaner

35. air

VIII.

36. He is staying in a small hotel near a shopping area in District 10.

37. There;s a cinema, a post office, a supermarket, and some cafes.

38. No there isn't.

39. (theo ý của mik thì) Yes I like Nam's neighbourhood because the air is clean.

IX.

40. The Red River is shorter than the Mekong River.

41.  You mustn't go to school late.

42. In winter, Beijing is colder than Ha Noi.

43. China is the richest country in the world.

44. Are there over five hundred pupils in your school?

X.

45. Peter is more intelligent than his classmate

46. This new car is better than the old one.

47. Nam's rulers is shorter than mine.

48. The English test would be easier than I was thought.

49. Her office is father away than mine.

Chúc bn học tốt! ^^

31 staying

32 are

33 noisy

34 cleaner

35 backyard

 VIII 36 Nam is staying in a small hotel near a shopping area in District 10

37 There is a cinema, a post office, a supermarket and some cafes.

38  No, there isn't

39 câu này thì tùy bạn