Change the sentence into a question

----- Nội dung dịch tự động từ ảnh -----
Ex7: Change the sentence into a question.
1. They are playing video games.
2. Peter is doing martial arts.
3. Anna is reading a comic book.
4. Linda and her dad are playing chess.
5. Your dad is watching television.
6. Lucy is playing table tennis.
7. The boys are skating.
8. Hugo and Tom are taking photos.
9. The dog is running.
10. Miss Hoa is listening to music.
11. His brother is doing a puzzle.
12. Mr. Loc is walking in the park.
13. My mom is cooking.
14. My grandma is singing.
15. Bill is painting a picture.