100+99 = 199

VII tìm lỗi sai và sửa lỗi sai ( chi tiết )                                                                                           1. Tradition villages have to dealt with problems as fewer and fewer visitors go there               2. If conical hat are not preferred anymore, the workshop will be close down                          3. When I asked Tim to visit Bat Trang village with me, he turned me up                                     4. They must turn on at 7.30 am in order that their trip can start on time