3. 

a Lan and Lien are classmate.

b Lan is thin.

c They are eleven years old.

d Yes, they are.

e They often go to school and play together.

(IV là hỏi về bạn nên bạn tự làm nha, xin lỗi)

V.

1. I often go to the cinema

2. She always a good student.

3. My mother never goes swimming.

4. My parents usually go to work on mondays.

5. It always hot in the summer.

3/

a)Lan and Lien are classmates

b)Lan is thin

c)They are both eleven years old

e)They often go to school and play together

IV.

1.My favorite food is fish

2.I like for breakfast : rice and fish

3.I play badminton

4.I go to tên trường Secondary school

5.In my freetime, i go shopping

6.I often play sports

7.I like summer

8.When iít hot, i go swimming

9.mk làm nhiu thoi, nhìu quá