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.
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