Упражнение 1. Write in am, is or are.
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?
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