The film started to get boring, at _____ point I left the cinema acpanied by my twin sister.
A.what
B.that
C.the
D.which
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D解析试题分析:逗号前后都是句子,所以必须选连词,故排除C,又因为这是定语从句,what 不能引导定语从句,that 不能放在非限制性定语从句中,这里which代替前面的整个句子。故选D。考点:考查定语从句的用法。点评:本题较难。定语从句是英语语法中非常重要的内容,在阅读和理解过程中起着极其重要的作用。定语从句的考查关键在于定语从句的成分分析,需要考生有分析理解复杂的句子结构的能力。即学即练:That is one of the books _____ are required for study at school.
A. what
B. that
C. the
D. for which解析:B。