选出发音不同的单词。
⑴（  ）A. want      B. always      C. water      D. also
⑵（  ）A. ask        B. glass       C. China      D. answer
⑶（  ）A. happy     B. friendly    C. young      D. carefully
⑷（  ）A. whose     B. those       C. house      D. is
⑸（  ）A. out       B. you         C. about      D. house
⑹（  ）A. all       B. also        C. talk        D. wall
⑺（  ）A. big       B. policeman   C. give       D. gift
⑻（  ）A. play      B. says        C. say        D. day
⑼（  ）A. thirty    B. both        C. there      D. thing
⑽（  ）A. wrong     B. worry       C. other      D. front