Students don’t go to school _____ Saturdays. They do their homework _____ home. [ ]

Thanks _____ our government, more and more poor students return to school. [ ]

Look out! The traffic is _____ fast _____ we can’t cross the street now. [ ]

You ___________ finish the report today. Any time before this weekend is OK.

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.