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I am __ the classroom. I am not __ the blackboard. I am __ the desk. There is a book __ my desk. My pens and pencils are __ my pencil-box. The pencil-box is __ my bag. The bag is __ the desk. We’ve got flowers __ our school park. Two pupils are sitting __ the tree __ this park now

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I am _in_ the classroom. I am not _at_ the blackboard.I am _at_ the desk.There is a book _on_ my desk.My pens and pencils are _ in_ my pencil-box.The pencil-box is _in_ my bag. The bag is _ under_ the desk.We’ve got flowers _in_ our school park. Two pupils are sitting _under_ the tree _in_ this park now.