Dear friend:
What are you doing now? I am playing with my friends now.
First:Tom and Mary are singing now.They are very happy.
Second:Mike likes running very much.Look,he is running now.
Third:John is on the playground now.He is playing soccer.You can play with him.
Fourth: Lisa Amy and Eric are enjoying swimming.How happy they are!
When will you come play with us?We are waiting for you.