选出与所给单词同类的一项。①{#blank#}1{#/blank#} yellow A．ruler B．green C．head
②{#blank#}2{#/blank#} white A．blue B．finger C．book
③{#blank#}3{#/blank#} thank A．black B．brown C．hello
④{#blank#}4{#/blank#} colour A．water B．draw C．are
⑤{#blank#}5{#/blank#} brown A．yellow B．school C．great
sunny