1.Our beautiful forests ( destroy ) ................ if we do nothing to preserve them. 2. As soon as Mr John arrived at the airport , he realized that he ( leave ) .......... his passport at home 3. Don't ring me between 8 and 9 tomorrow . I ( have ) ............. a very important meeting then 4. Sarah said that she ( work ) ............ on a project of charity in Africa then 5. It's high time something ( do ) ............. to prevent traffic jams in big cities . 6. Were you in my position , what you ( do ) .............. ? 7. His greatest ambition is ( choose ) .............. to take part in the Olympic Games 2020 in Japan 8. She is looking forward to ( invite ) to Linda's birthday party next Sunday. *Note from creator: làm bài thì phải trình bày cách làm , ko được bỏ trình bày cách làm bài nào cả , tôi sẽ nhận xét hơi nghiêm nên mong mọi người tuân theo .-. @Yui(gửi lại)