选出划线部分发音不同的单词。 (1)A. fan B. many C. washroom (2)A. have B. cake C. has (3)A. cup B. use C. tube (4)A. five B. expensive C. hi (5)A. open B. hole C. box (6)A. these B. sheep C. smell (7)A. apple B. class C. pants (8)A. close B. those C. on (9)A. take B. potato C.carrot (10)A. hen B. the C. fresh