I/ Rewrite the sentences with tag- questions and opposite: (Viết lại câu với câu hỏi đuôi và ngược lại) 1) Noone can understand me, can they? .................................................................................................................................................................... ? 2) Does protecting the environment make the world better? ..................................................................................................................................................................... ? 3) Do Tom and Mary never go to work late? ...................................................................................................................................................................... 4) Has your boyfriend bought a new villa? ....................................................................................................................................................................... 5) Will your mother join in the party tomorrow? ...................................................................................................................................................................... 6) Her niece shouldn’t play with maches, should she? ...................................................................................................................................................................... 7) Does your father know the answer? Do you think ................................................................................................................................................. 8) Is Peter reading a book now? ......................................................................................................................................................................