比较划线部分的读音，选出一个与其他三个发音不同的单词.

Linda_____ come to meet me at the station, but I’m not sure.

Where is Class________ ?It’s on the ______ floor.

What colour is that teddy bear? —Oh, .

Last Sunday was my birthday. My mother bought _______ iPhone4 as _______ birthday present for me.