31. We have studied English for two hours.

32. We got to Liverpool by train last Sunday.

33. Because the weather is bad, we stop the football match.

34. Mike doesn't play chess as well as John does.

35. Her book isn't different from mine.

36. How high were you last year?

37. What is the price of the blue schoolbag?

38. What is the price of a box of chocolate?

40. Why don't we walk to school?

41. Does your father get to work by bicycle?

42. I haven't seen her for two months.

43. What about taking a trip to Ho Chi Minh City this Tet holiday?

44. We can go to the beach on foot because it's close.

45. I haven't seen Peter for five months.

46. What is the price of a bottle of water?

47. What about dancing and singing a song?

48. What is the height of Mount Everest?

49. Câu này đề thiếu đúng không ạ? Vì không có từ cho sẵn để làm nên mình làm theo ý mình:

- He often goes to London by plane.

50. That film isn't as interesting as this one.

$@vanw$

31. We started to study English four years ago.

⇒ We have studied English for two hours.

32. We took a train to Liverpool last Saturday

⇒We got to Liverpool by train last Sunday.

33. We stop the football match because of the bad weather.

⇒ Because the weather is bad, we stop the football match.

34. Jone plays chess better than Mike.

⇒ Mike doesn't play chess as well as John does.

35. Her book is the same as mine.

⇒ Her book isn't different from mine.

36. What was your height last year?

⇒ How high were you last year?

37. How much is the blue schoolbag?

⇒ What is the price of the blue schoolbag?

38. How much does a box of chocolates cost ?

⇒ What is the price of a box of chocolate?

40. How much does a box of chocolate cost?

⇒ Why don't we walk to school?

41. Does your father cycle to work?

⇒ Does your father get to work by bicycle?

42. I last saw her two months ago

⇒ I haven't seen her for two months.

43. Why don’t we take a trip to Ho Chi Minh city this Tet holiday?

⇒ What about taking a trip to Ho Chi Minh City this Tet holiday?

44. The beach is close to the hotel, so we can walk there.

⇒ We can go to the beach on foot because it's close.

45. I last saw Peter five month ago .

⇒ I haven't seen Peter for five months.

46. How much is a bottle of water?

⇒What is the price of a bottle of water?

47. Let’s dance and sing a song.

⇒ What about dancing and singing a song?

48. How high is the Mount Everest?

⇒ What is the height of Mount Everest?

49. He often flies to Lon Don.

⇒ How often does he fly to London

50. This film is more interesting than that one.

⇒ That film isn't as interesting as this one.

                                $YVDL^{3000}$