ПОМОГИТЕ ПОЖАЙЛУСТА! Упражнение 3. Вставьте am, is are. A) I'm in the park. I can see some children. They ___

ПОМОГИТЕ ПОЖАЙЛУСТА! Упражнение 3. Вставьте am, is are. A) I'm in the park. I can see some children. They ____ playing volleyball. There's my friend Greg! He ____ reading a book. The girl ____ eating a sandwich. The boy and the dog ____ playing with a ball. They can't see me because I ____ sitting in a tree. What ___ you doing? ____ you listening to me?