She’d been sick so often that, she was getting behind with her schoolwork.
She claims the publishers never really got behind her new book.
She’d been ill so often that, she was getting behind with her schoolwork.
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。