试题 试卷
题型：单选题 题类：模拟题 难易度：普通
Teacher asked him {#blank#}1{#/blank#} he {#blank#}2{#/blank#} no time going over his lesson.
We know {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}around the sun.
—I think they will come if they ____ free.
试题篮
