Find the word which is different from the other three according to the underlined sounds. (找出每组划线部分发音与其他三个不同的单词)
---How often are the Olympic Games held？ ---_____four years.
---How do you like the book? ---____.
His mother wants him _____at home today
There ____ a class meeting tomorrow afternoon.
Is this new bike the same as______.
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