8, about -> with
9, took -> take
10, don’t -> not to
11, can -> could
12, know -> knew
13, live -> living.
14, câu này theo mình thì không có lỗi đâu
15, câu này mình thấy cũng đúng rồi nhé
16, the books -> books
17, will -> would
18, taught -> teaching
19, interest -> interested
20, has retired -> retired
21, can -> could
22, many -> much
23, as -> so
24, is -> was
25, plays -> play
26, will -> would
27, we -> us
28, since -> for
29, weren’t they -> didn’t they?
30, can -> could