26 , around
27 , of
28 , in / in
30, At/of
IV)
34 . friendlier
37 famous
38 . helpful
39 . old
40 . ill
41 . Unluckily
42 . biggest
43 . long
44 . beautiful
45 . interested
V)
46 . at => bỏ
47 . fewer =>less
48 . three-weeks => three-week
49 . travel => travelling
50 . to play => playing
51 . thousand => thêm s ở cuối
52 . like => look like
53 . the => his
54 . houseworks => housework
55 . ten floors => ten-floor