下列各组单词划线部分的字母组合哪一组发音不同。
Could you please tell me where?The boss is waiting for him.
I think our government should pass a law tofood waste.
What a surprise to see you here! Whenyouback?
—Have you got any information about your missing dog? —. We are still looking for it.
There’s no light on—theybe at home.