改成一般疑问句：Somebody has already taken the rubbish away from the classroom.

问题描述：

Somebody has already taken the rubbish away from the classroom

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最佳答案：

Somebody has already taken the rubbish away from the classroom.

改成一般疑问句：Has anybody taken the rubbish away from the classroom yet?

在把肯定句改成一般疑问句的时候，要注意句中是否有already、some、something、somebody等词，如果有某些情况下也必须进行改变：

already要改成yet；

some、something、somebody等分别改成anyanything、anybody等。