题目内容

15.---Where are your parents?
---They are in the kitchen,they ______the dinner for the party the whole day.(  )
A.are preparingB.have been prepared
C.have been preparingD.were preparing

分析 --你的父母在哪里?
--他们在厨房里,他们整天在为聚会的晚宴作准备.

解答 答案:C 考查时态辨析.根据上下文及"the whole day"可知,表示在问话之前到现在"一直在准备",要用现在完成进行时态.A项是现在进行时态,强调现在正在做,不强调连续性;B项是现在完成时态,表示已经准备好了;D项是过去进行时态,但句中并没有表示过去的时间状语.

点评 解答此类问题要了解各种时态的用法,然后根据上下文及结合语境来选择正确答案.

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