A 1. They're playing basketball.
2. She's taking photos.
3. He's painting a picture.
4. They're carrying a parcel.
B
1. are trying
2. are you finding
3.is helping
4. we are getting
5. we are not spending
6. it is not taking
7. are you waiting
8. I am correcting
C 1. it is raining
2. I am working
3. you are sitting on my coat
4. I am writing an important letter
5.I am feeling better.