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she couldn't understand was fewer and fewer showed their interest in her lessons

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she couldn't understand was fewer and fewer showed their interest in her lessons

________ she couldn't understand was ________ fewer and fewer showed their interest in her lessons.

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A.What; whyB.That; whatC.What; becauseD.Why; that

试题答案

答案:A

解析:

第一空应选择连接代词引导主语从句作understand的宾语;根据题意,表语从句说明的是某种原因导致的结果,所以用why引导。