题目内容：
Workers who had lost their jobs left the factory _____ very bitterly about the way they had been treated.A. complain
B. to complain
C. complaining
D. complained
参考答案：
选择题：Workers who had lost their jobs left the factory _
- 题目分类：河北建筑工程学院-建筑学-大学英语1
- 题目类型：选择题
- 查看权限：VIP
A. complain
B. to complain
C. complaining
D. complained