问题 更新时间2023/4/3 12:59:00 Workers who had lost their jobs left the factory _____ very bitterly about the way they had been treated.A. complainB. to complain C. complainingD. complained 答案 登录 注册 答案:C 出自:江开 >> 河北建筑工程学院-建筑学-大学英语1