53.A

54.B

55.B

56. A building which was destroyed in the fire has now been rebuilt

57. She started learning English 3 years ago

58. I wish i could get access to the internet now

59. My friend asked me which grade I was in

60. Although I was tired, I couldn't sleep 

61. An ambulance has just been sent to the school

62. Mary spent 2 hours travelling to the countryside last weekend 

63. She enjoys listening to Michael Jackson's song

64. I suggest making a poster on energy saving

65. He asked if Nam could speak English

56. A building which was destroyed in the fire has now been rebuilt

57. She started learning English 3 years ago

58. I wish i could get access to the internet now

59. My friend asked me which grade I was in

60. Although I was tired, I couldn't sleep 

61. An ambulance has just been sent to the school

62. Mary spent 2 hours travelling to the countryside last weekend 

63. She enjoys listening to Michael Jackson's song

64. I suggest making a poster on energy saving

65. He asked if Nam could speak English