Jawaban:
C.
1. is swimming
2. is driving
3. am cooking
4. are studying
5. is baking
6. are answering
7. is resting
8. are helping
9. are dancing
10. is putting
D.
2. The boys aren't playing football.
3. He isn't riding his bike to school.
4. I am not studying English.
5. Harl and Agus aren't playing in the park.
6. She isn't helping the old woman.
7. Jane isn't browsing the Internet.
8. The cat isn't sleeping on the sofa.
9. Bagas and I aren't fishing at the river.
10. They aren't having dinner together.
E.
2. Diana is playing the piano.
3. The girls aren't playing with dolls, they are cleaning the room.
4. Dian is swimming now.
5. Peter and Mike are walking in the rain.
6. I am not wathcing the movie, I am doing the homework.

Semoga membantu!