1. Nancy traveled a lot in her life. She has been to many countries. Last year she visited Greece. 2. Hello, Pat! I'm glad to see you in Oxford again. How long has you been here? When did arrive? 3. Whendid you first meet your teacher? How old have you been then? How many years you have you known him already? 4. Have you ever tasted any tropical fruit? Where have you eaten it? Did you like it? 5. —Has Helen written the letter yet? — No, she ... . She', began doing it only ten minutes ago. 6. She says she always wanted to come to Australia. Now she is happy, she has been here since Thursday. 7. Kate did not type all the letters. She typed three of them yesterday. But she has not done anything today. 8. Uncle Tom has never flown in his life. But the other day he made up his mind to take a flight to America.