选出下列各组单词或短语中不同类的选项。① {#blank#}1{#/blank#} A .twelfth B twentieth C. twelve
② {#blank#}2{#/blank#} A. birthday party B Children's Day C. Tree Planting Day
③ {#blank#}3{#/blank#} A spring B summer C. October
④ {#blank#}4{#/blank#} A first B. eighth C. three
