单选题It'sonthefestivaloccasions________t

单选题 It's on the festival occasions________ the family get together________ he misses his late father.A.where; thatB.which; whenC.when; thatD.that; when

C解析试题分析：句意：每当过节家人团聚的时候，他就会想念他的父亲。该句为强调句型，被强调部分为on the festival occasions，但该部分后又加上了一个定语从句，先行词是occasions，在定语从句中作时间状语，故用关系副词when引导。故选C。考点：考查定语从句及强调句型的用法。点评：本题难度适中。定语从句及强调句型是高中阶段的重难点，也是高考的热点，需要考生有分析理解句子的结构的能力。尤其把强调句型与其他从句混合在一起考查更增加了试题的难度。即学即练：It was two decades ago ______ I was in my teens ______the Chinese government decided to reform the social economic system.A. when; when B. that; which C. when; that D. before; that解析：C。考查定语从句和强调句的混用。when引导时间状语从句，强调句型It was ...that对when引导的从句进行强调，故选C。

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