21. you should pay more attention in class
pay attention: chú ý
Đ/A: D
22. who is the tallest of the two girls?
cấu trúc so sánh hơn nhât
Đ/A: B
23. you had better run if you want to catch the bus
S + had better + V
Đ/A: C
24. are there any stores on your street?
any dùng cho câu hỏi
stores là số nhiều không dùng a/ an
are there không dùng the
Đ/A: C
25. do you go out on friday afternoons ?
on + thứ + buổi
Đ/A: D
26. the queen of England lives in a very big house
Đ/A : D
27.how long have you lived there before moving here?
before: dấu hiệu HTHT
Đ/A: C
28.on Sunday mornings I stay in bed until 8 o'lock
until: cho đến khi
Đ/A: A
29. she studies very well but she always feels unconfident when she faces a lot of people
V + ADJ
Đ/A: A