Ex 1 : Tìm lỗi sai và sửa sai
1 . My brother and I have learnt how to swim in 2010
-> in -> since
2 . Their hometown is the best beautiful place in the area
-> best -> most
3 He is intersting in make car sample
-> interesting -> interested
4 My brother can play the piano when she was four
-> she -> he
5 I will go out If I will finish my homework
-> will (2) -> bỏ
6 he can swim when he was five years old
-> can -> could
7 she has lived in this city from 1999
-> from -> since
8 people many to become an astist someday.
-> many -> want
9 Nam is the more intelligent student in this class
-> more - most
10 They often go to holiday in the summer
-> to -> for