学帮网why don't you ask a policeman for help?改为同义句 you ask a policeman for help.
来源：学生作业学帮网 编辑：学帮网 时间：2024/06/07 03:40:20
why don't you ask a policeman for help?改为同义句 you ask a policeman for help.
【I suggest 】you ask a policeman for help.
=Why not ask a policeman for help?