王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 It is not ---_______ for me to return all the books to the library now because I still need some of them for my research. A. continuous B.difficult C.convenient D.sufficient 答案 登录 注册 C 出自:联大 >> 河南城建学院-大学英语2 河南城建学院继续教育学院