找出划线部分读音不同的一个。①A. chair B. watch C. school {#blank#}1{#/blank#}
②A. message B. email C. send {#blank#}2{#/blank#}
③A. write B. office C. surprise {#blank#}3{#/blank#}
④A. your B. colour C. Saturday {#blank#}4{#/blank#}
⑤A. black B. CD C. back {#blank#}5{#/blank#}