问题 更新时间2023/4/3 12:59:00 He is only too ready to help others, seldom, ____, refusing them when they turn to him.A.if neverB.if everC.if notD.if any 答案 登录 注册 参考答案:B 出自:联大 >> 河南城建学院-土木工程-大学英语 3