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It won’t be a very long time _________ he is in business for himself.
A.untilB.whenC.beforeD.that
C

试题分析:考查固定句型:it will/won’t be long before…,用不了多久就…,句意:用不了多久他就会有自己的生意了。选C。
点评:固定句型:It was+一段时间+before…,要多久…就(才)…,在考试中出现的很多,容易混淆的句型是it is/has been 一段时间since从句(过去时);自从…以来,已经有一段时间了。区分的时候,一是从句意判断,还有就是根据主句的时态区分。
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