a)
56 . C
57 . B
58 . B
59 . D
60 . D
61 . A
62 . B
63 . D
64 . C
65 . B
VII)
76 . Lan has long hair
77 . Nam goes to school by bike everyday
78 . Nga is the most intelligent girl in our class
79 . What is the height of this building ?
80 . Mr Hoang spent half an hour walking to work yesterday
81 . How much is this cap ?
82 . I prefer listening to music to watching tV
83 . Would you please bring me a cup of tea ?
84 . I don't as hard working as my sister