I’m not entirely sure about the directions for this worksheet but here are my answers
2. A: Your classmate is studying?
B: Yes, he is studying
3. Steven is making dinner
4. A: Why are you laughing?
B: I am reading a funny book.
5. The children are playing a game
6. It is raining now
7. A: Are they eating lunch?
B: No, they are not
