I.

1. moutainous

II.

1. She doesn't have much time to write to her friends.

2. He doesn't have much time to write to his friends.

mỗi số la mã viết liền nhau quá 3 lần

Gọi phân số có mẫu là 21 nằm giữa 2 phân số lớn hơn -5/6 và bé hơn -5/7 là a/21

Có -5/6 < a/21 < -5/7

=> -35/ 42 < 2a/42 < -30/42

=> -17,5 < a < -15

a thuộc Z

=> a = -17 ; -16

=> 2 phân số cần tìm là -16/21 và -17/21.

I.

1. D
2. C

3. B

II.

21. D

22. B

23. D

24. A

25. C

1. When it's hot, I go swimming with my friends.

2. Next summer vacation, we are going to stay with my grandparents.

- How does Tom ride his bike?

- What does Thomas do before going to school?
- Who do you gave a birthday present?

- What does the students listen to?

- Do you like the red T-shirt or the white T-shirt?

- How many brothers does Jone have?

- What do the little boys play?

- Why does Sammy close the windows?

- What are the girls doing?

K đúng cho xl!