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外语
Everyone is busy working. You can’t stay here ______ you keep quiet.
Everyone is busy working. You can’t stay here ______ you keep quiet.
admin
2009-05-15
80
问题
Everyone is busy working. You can’t stay here ______ you keep quiet.
选项
A、when
B、once
C、if
D、unless
答案
D
解析
when意为“当…时候”;once意为“一旦…”;if意为“如果”;unless意为“如果不,除非…”。根据本句句意:每个人都忙于工作,你不能呆在这儿,除非你保持安静。故本题答案为D。
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本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
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公共英语二级笔试
公共英语(PETS)
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