学帮网The students are required to conform to the rules [9] they have to leave the school.(用适当的连词完
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/14 17:12:30
The students are required to conform to the rules [9] they have to leave the school.(用适当的连词完
or
before
that 引导同位语从句
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来源：学生作业学帮网 编辑：学帮网 时间：2024/05/14 17:12:30
The students are required to conform to the rules [9] they have to leave the school.(用适当的连词完
or
before
that 引导同位语从句