选出每组单词中不同类的一项。① {#blank#}1{#/blank#} A．first B．second C．third D．four
② {#blank#}2{#/blank#} A．Seven B．eighth C．nine D．seventeen
③ {#blank#}3{#/blank#} A．three B．third C．thirteen D．thirty
④ {#blank#}4{#/blank#} A．twenty B．forty C．fifteen D．sixty
⑤{#blank#}5{#/blank#} A. twenty—five B．thirty—second C．forty—third D．fifty—fourth
