试题 试卷
题型：单选题 题类：常考题 难易度：普通
—Sure. Our teachers often tell us ___________ a greener person.
Jack {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} with his classmates last night.
试题篮
