--- Do you know the big boy ________ helped to catch the thief yesterday ?--- Yes, Li Ming, the chairperson of the Students’ Union .
September is the_______ month of the year.
Thank you _______ the photo _______ your family.
---How much _________ this bag? ---___________eight dollars.
Sorry ,this is not ______ eraser.Please ask __________ .
---_________﹗Where is my cup? ---_________ ,I don’t know.