Choose the correct tag question. 1) It's cold today, ? 2) You don't know me, ? 3) Mary didn't do her homework last Monday, ? 4) He will come to work, ? 5) You haven't seen this movie, ? 6) It won't be difficult, ? 7) I'm clever, ? 8) She doesn't have any children, ? 9) Nobody has arrived yet, ? 10) I'm not late, ?