选择下列单词中划线部分发音与其他三个不同的选项。
Bill wants ____________ vegetable salad.
_________ Tom ___________ a baseball?
--- Helen, what’re those on the table? --- They are an ___________ and three __________ .
--- Do you have a new watch? --- No, I _________ .
---Where _____my books? --- _____ on the bed.