Lucy

I have ten tennis balls, seven basketballs, four volleyballs and five soccer balls. I play tennis with my friends in the afternoon.

Mary

I have five baseballs, five volleyballs and two soccer balls. I also(也) have three ping-pong bats and lots of ping-pong balls. I like ping-pong. It's easy for me. I often play ping-pong with my classmates.

Alice

I don't have any(一些) balls. I like sports, but I don't play them. I always watch them on TV.