【題目】How long do you think _________ the computer company launches a new model?

A． it will be before B． will it be until

C． will it be when D． it will be that

【答案】A

【解析】it be 一段時(shí)間before從句；一段時(shí)間以后某事才發(fā)生。Before后面的時(shí)間狀語從句使用一般現(xiàn)在時(shí)代替將來時(shí)，前面的主句使用將來時(shí)。本題是對“一段時(shí)間進(jìn)行提問”。故C正確。

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