BT:
1. Paul is scratching his head
⇒ Paul đang gãi đầu
2. Sally is skipping rope
⇒Sally đang nhảy dây
3. Mr.Andrews is working on the computer
⇒ Mr.Andrews đang làm việc trên máy tính
4. David is eating hamburger
⇒ David đang ăn bánh hamburger
5. George is riding a horse 
⇒George đang cưỡi 1 con ngựa
6. Ritta is jogging
⇒Ritta đang chạy bộ
7. peter is playing with his airplane
⇒ peter đang chơi cùng máy bay của anh ấy
8. Mr. David is singing in the church
⇒Mr. David đang hát rong nhà thờ

1. Paul is scratching his head.

2. Sally is skipping rope.

3. Mr. Andrews is working on computer.

4. David is eating a hamburger.

5. George is riding a house.

6. Rita is jogging.

7. Peter is plaing with his airplane.

8. Mr. Davis is singing at the church.

9. Bart is sunbathing by the pool.

10. Bill is taking some photos.

11. The children are playing hopscotch.

12. Greg is stretching his arms.

13. Philip is sleeping on the desk.

14. Andrew is reading the newspaper.