1. When does she often plays badminton ?
2. How long does he goes to the zoo ?
3. What does Lan do ?
4. How often do they have a picnic ?
5. What do you do in your free time ?
6. What are your favorite food ?

1. She often plays badminton in the afternoon
-> When does she often play badminton?
2. He goes to the zoo once a week
-> How often does he go to the zoo?
3. Lan is skipping rope
-> What is Lan doing? 
4. They sometimes have a picnic
-> How often do they have a picnic?
5. In my free time . I play badmiton 
-> What do you do in your free time?
6. Her favorite food is noodles and beef
-> What is her favorite food?
Tâm trạng sai câu 1, 2 , 3, 6 rồi em ^^

1. When does she often play badminton?
2. How often does he go to the zoo?
3. What is Lan doing? 
4. How often do they have a picnic?
5. What do you do in your free time?
6. What is her favorite food?