我不能加入你们，因为我必须准备地理考试的翻译：I can't join you, because I must be prepared to geography exam 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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I can't join you, because I must be prepared to geography exam

I cannot join you, because I must prepare the geography test

I am unable to join you, because I must be prepared to geographical examination

I can't join you, because I must be prepared to geography exam