() 3. [2014 • 黄石]The students can't go home they finish cleaning the classroom,for it^ their duty.
A. when B. since
C. if D. until
科目:初中英语 来源: 题型:
1. 人们通常记得当他们听到历史上的重大事件时正在干什么。
People often remember when they heard the news of important events in history.
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科目:初中英语 来源: 题型:
用whole或all填空
(1) the students went to Beijing yesterday.
(2) The city is covered with white snow.
(3) I know of them.
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