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1.I'll be waiting for you at home.
 ______ I were busy and couldn't come?(  )
A.What ifB.What whenC.How ifD.How when

分析 --我会在家等你.
--假如我很忙而不能来会怎样?

解答 答案:A 考查语言交际.What if意为"假如…将会怎样".故选A.其它三个选项不存在.

点评 语言交际是灵活多变的,要注意根据语言环境具体问题具体分析.要做好这类题,需从以下三个方面着手:1.仔细审题,明确大意:首先要仔细审题,即在对话不完整的情况下,尽量弄懂该篇对话的大意和情景(如购物、看病、问路和应答、约会、口语应用等).2.分析对话,试填答案:在解题过程中,要根据具体语境和上下文,分析对话中所缺部分、判断所缺的句子.3.全文复读,融会贯通:在试填好答案之后,应从头至尾再把对话读一遍,按照对话情境,中心内容,推理判断.

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