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How long do you think ______ the computer company brings out a new product?

A.it will be beforeB.will it be untilC.will it be whenD.it will be that

A

解析试题分析:句意:你觉得电脑公司多长时间会推出一种新产品?是对句型:It is +段时间+before+从句.中的时间进行提问。该句型在这里是do you think的宾语从句,习惯上把从句中的疑问词放在句首。until直到… …才;when当……时候。故选A。
考点: 考查宾语从句的用法。

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