A:When________it________?(arrive)B:Half an hour ago.急!
来源：学生作业帮助网 编辑：六六作业网 时间：2024/05/13 13:54:06
A:When________it________?(arrive)B:Halfanhourago.急!A:When________it________?(arrive)B:Halfanhourago.
A:When________it________?(arrive)B:Half an hour ago.急!
A:When________it________?(arrive)B:Half an hour ago.
急!
A:When________it________?(arrive)B:Half an hour ago.急!
did;arrive