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He commanded that the work _______ before 5pm .
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The ____ expression on his face suggested that he ____ understand what I said.
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“Where is the university(大学)?”This is a question that many visitors to Cambridge(剑桥大学) ask.
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一个大长方体容器,(里面装了水)长5dm,宽3dm,水深4dm,把一个长2dm,宽2dm,高3dm的小长方体放入水中,水面会上升多少?
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