Hoàn thành bài tập sauNegative form Questions (dạng câu phủ định) (dạng câu hỏi ) They aren't at school - ....................................................... She isn't hard working - ....................................................... The boys aren't strong - ............................................................ Kevin isn't a good tennis player - .............................................................. I am not late - .............................................................. The book isn't on the desk - . ............................................................... |