E.
I.
66. Our summer vacation lasted for two month last year.
67. I spent about two hours doing my homework yesterday
68. They used to see nobody in the room
69. My sister wasn't able to swim last year
70. You won't have to/need to go to the meeting next week
71. American students have more vacations than Vietnamese ones
72. How much heavy was your father last year?
73.How beautiful the Christmas tree is
74.The colourful little fish was the most beautiful fish in the aquarium
75. Why didn't you go to class last Monday?
76.How long did you flew from Hanoi to Jakarta?
77.It will be impossible to come one Saturday
78. The rooms in that hotel are more comfortable than these in that hotel
