Look at exercise and fill in "is", "isn't", "are", or "aren't" 1. ann a doctor. she a student. 2. manos a student. he a doctor. 3. susan and kim students. they teachers. 4. ann from athens. she from london. 5. kim ten years old. she twenty-five. 6. ann, mario and costas doctors. they students. 7. manos and costas english. they greek. 8. susan and kim thirteen years old. they twenty-five.