找出划线部分发音不同的选项。
⑴{#blank#}1{#/blank#} A. think B . fine C . England D . thank
⑵{#blank#}2{#/blank#} A. room B. foot C. look D. book
⑶{#blank#}3{#/blank#} A. mother B. brother C. father D. think
⑷{#blank#}4{#/blank#} A. his B. this C. these D. trousers
⑸{#blank#}5{#/blank#} A. days B.bags C.pens D.maps