辨音: 请从A、B、C、D四个选项中找出划线部分的发音与其他三个不同的一项。
Could you tell me how long the football club?
We must try our best to stop the pollution a happy life.
John’s never flown to Canada, ?
He hasn’t got a letter from his uncle .
It is _____ unlucky day today. I’ve lost _____ useful pen.