Ответы и объяснения

She is riding on her bycicle.
He is playing the piano.
We are singing.
The girl is talking on phone.
They are chatting.
The boys are swimming.
The cat is sleeping.
She is reading.
The dog is playing with a ball.

1 He is playing the piano.
2 She is riding a bike.
3 We are singing.
4 The girl is listening to the music.
5 It is sleeping.
6 They are talking.
7 The boys are swimming.
8 She is reading.
9 It is playing.