I found the homework was not so heavy as ______ I ______ to get in my old school.A.that; was usedB.what; usedC.which; usedD.that; used
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B解析试题分析：第一空考查what引导的主语从句，what在从句中做get的宾语，第二空考查词组：used to do过去常常做，be used to do被用来做…，句意：我发现作业没有我过去在以前的学校作业那么多。选B。考点：考查主语从句和固定短语点评：what引导名词性从句时，要在主语从句中做主语，宾语和表语，如果名词性从句不缺成分，一般用that引导。另外：used to和be used to do的区别也是常考点。