找出划线部分发音不同的选项。⑴{#blank#}1{#/blank#} A. vacation B. exam C. David D. favorite
⑵{#blank#}2{#/blank#} A. most B. post C. host D. cost
⑶{#blank#}3{#/blank#} A. seem B. feel C. coffee D. between
⑷{#blank#}4{#/blank#} A. however B. blow C. brown D. now
⑸{#blank#}5{#/blank#} A. clearly B. hear C. learn D. near