It was in the lab _____ was taken charge by Professor Wang ______ they did the experiment.A.where, thatB.that, whichC.that, whereD.which, that
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D解析试题分析：考查复杂句：第一空是定语从句,从句中还差主语,只能使用which /that.第二空和前边的it was 构成强调句,强调in the lab,不论强调人还是物 ,都可以用that,前边考点：考查复杂句
点评：做复杂句要会分析成分：.试试去掉it was 和空格中要填的字,变成in the lab they did the experiment. 这是完整的句子,是说的通的故是强调句。.