2. What is Pinky doing? 3. What is Blackie doing? 4. What is Reddy doing?

Решение:

Согласно тексту:

1. Pinky is playing with my tail.
2. Blackie is playing with Pinky's tail.
3. Reddy is playing. (Упоминается в предложении: "Reddy is playing with his tail and I am playing mine,")

Ответ: 1. Pinky is playing with my tail. 2. Blackie is playing with Pinky's tail. 3. Reddy is playing.