选出下列每组单词中与其他两项不同类的一项。①{#blank#}1{#/blank#}A.evening B.lunch C.morning
②{#blank#}2{#/blank#}A.Monday B.sometimes C.usually
③{#blank#}3{#/blank#}A.student B.teacher C.English
④{#blank#}4{#/blank#}A.watch B.often C.eat
⑤{#blank#}5{#/blank#}A.Sunday B.football C.ping—pong