语音（共5小题，每小题1分，满分5分）
within
attitude
concern
ignore
It is difficult for us to learn a lesson in life ____we’ve actually had that lesson.
---Where’s that report? ---I brought it to you ________ you were in Mr. Black’s office yesterday.
Don’t promise anything ______ you are one hundred percent sure.
There were some chairs left over _____ everyone had sat down.
I used to love that film ______ I was a child, but I don’t feel it that way any more.
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