试题 试卷
题型：单选题 题类：常考题 难易度：普通
{#blank#}1{#/blank#} {#blank#}2{#/blank#} people lost their homes during the Second World War.
Students are {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} having the winter holiday.
—You must ______ as soon as the bell ______.
试题篮
