Choose and fill in the blank(找出下列单词划线部分发音不同的一个,将题号填入括号内)。(10)
(1)A.cold B.no C.open D.hot
(2)A.dry B. dirty C.thirty D.twenty
(3)A.is B.this C.these D.those
(4)A.table B.make C.lamp D.cake
(5)A.go B.stop C.home D.hello