一个重要的案例将在这次会议上讨论。
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不要开始这个项目,除非一切就绪。
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她多久整理一次卧室?
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—Would you please tell me something about ________?
— OK. My name is Simon. I am studying at Sunshine Middle School.
—Where’s Sam? I can’t find him anywhere.
—Oh, he has two weeks ________ for a vacation.
In ancient times, food was ________ (存储) up for winter.