英語教室：開口說英語-Be & Auxiliaries- be, am, are, is, was, were been, do, does,did, have, has, had can, Don`t be late to school. I am not a doctor. Bill and Peter are students aren`t they? That is your new student, isn`t it? He is taller than he was. Were you early to school yesterday? He has been busy since yesterday. Do you have a new book? Yes, I do. Does Bill go to school on time? Y, he does. Did your friend go to the movies with you? Have you ever been to New York? Can you give me a hand? Can you do it?
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