Look at the picture, read the text and fill in the correct form of the verb '' To Be'':

This is my class. There are four of us:
Liz, Pam, Helen and me (Ben). We ___ sitting at the desks now. We ___ having history now. Our teacher is Mr. Milton. He ___ standing in front of the class. He ___ Telling us about the ancient monuments in Greece and the main events at that time. We ___ listening to our teacher with great interest because we planto go to Greece in summer and see the se monuments. But

Liz ___ not listening. She ___ dreaming about something. I think she ___ dremming about her new computer.