Underline the correct forms of Be. ( Gạch chân dạng đúng của tobe) 1. I am/ is a doctor. 2. She 's/'re a photographer. 3. Julia and Luis am/ are from Brazil. 4. We isn't/ aren't from Canada. We're from the US. 5. He am not is not a travel agent. 6. Are you Japanese? Yes, I am/ are, 7. Is she a dancer? No, she aren't/ isn't 8. Are / Is they from Australia?