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题目内容
（河北民族师范学院-大学英语2）
0.Workers who had lost their jobs left the factory _____ very bitterly about the way they had been treated.得分：0分
A.complain
B.to complain
C.complaining
D.complained
A.complain
B.to complain
C.complaining
D.complained
参考答案