找出下列各组画线部分的发音不同的选项。① {#blank#}1{#/blank#} A.go B.hero C. cold D.hot
② {#blank#}2{#/blank#} A.1ibrary B.lion C.comic D.Friday
③ {#blank#}3{#/blank#} A.knife B.know C.knee D.kind
④ {#blank#}4{#/blank#} A.thin B.think C.mouth D.together
⑤{#blank#}5{#/blank#} A.bathroom B.thirty C.with D.breath