找出划线部分发音不同的选项。⑴{#blank#}1{#/blank#} A . ask B . what C . watch D . want
⑵{#blank#}2{#/blank#} A . under B . blue C . up D . but
⑶{#blank#}3{#/blank#} A . window B . how C . now D . down
⑷{#blank#}4{#/blank#} A . school B . good C . book D . football
⑸{#blank#}5{#/blank#} A . would B . about C . trousers D . out