1. 从下列每小题四个选项中选出画线部分读音与其他三个不同的一项，并将其序号填入 题前的括号内。

① A. near     B. learn    C. hear    D. clear

② A. bought    B. thought   C. brought    D. about

③ A. care     B. hare     C. hear   D. share

④ A. turn    B. Thursday    C.Saturday     D. nurse

⑤ A. your     B. colour    C. four     D. course