初中英语单项选择一题--Today is Monday .It's your____to clean the blackboard.--Yes.I'm on duty today.I'll do that at once.A.job B.appearance C.turn D.workbut,why?说明原因,不要长篇大论的COPY!既然答案都给出了,就表再给个

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初中英语单项选择一题--Today is Monday .It's your____to clean the blackboard.--Yes.I'm on duty today.I'll do that at once.A.job B.appearance C.turn D.workbut,why?说明原因,不要长篇大论的COPY!既然答案都给出了,就表再给个

初中英语单项选择一题--Today is Monday .It's your____to clean the blackboard.--Yes.I'm on duty today.I'll do that at once.A.job B.appearance C.turn D.workbut,why?说明原因,不要长篇大论的COPY!既然答案都给出了,就表再给个
初中英语单项选择一题
--Today is Monday .It's your____to clean the blackboard.
--Yes.I'm on duty today.I'll do that at once.
A.job B.appearance C.turn D.work
but,why?
说明原因,不要长篇大论的COPY!
既然答案都给出了,就表再给个字母刷分了吧...

初中英语单项选择一题--Today is Monday .It's your____to clean the blackboard.--Yes.I'm on duty today.I'll do that at once.A.job B.appearance C.turn D.workbut,why?说明原因,不要长篇大论的COPY!既然答案都给出了,就表再给个
这个是个语境题.It's sb's turn to do sth意思是"轮到某人做某事".根据语境,C最恰当

我也不知该怎么解释,it’s sb’s turn to do sth是个固定句型。意思就是:轮到某人做某事。记住就行了。

turn在英式英语有(轮班工作的)一个班次的意思。在美式英语中有依次轮流各自的意思。

on duty 就是值日 一看见值日么肯定是轮着做的
所以是 turn