下列一组单词中,划线部分发音不同于其它三个的单词是_______。
_______American people usually ________rice?
--______you free this afternoon? --Sorry, I______ have any free time.
Li Hua studies very hard. He hopes _______ in Nanjing University(大学).
--What can I get my mother for Mother’s Day? --_______getting her a dress?
My brother loves playing_______volleyball. Look! He is playing with_______volleyball over there.