Last year the well-known actress did ______ she ______ help the poor children in the mountain village.A.what; could toB.everything; couldC.all; couldD.that; could to
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A解析第一空考查宾语从句，what引导宾语从句，在宾语从句里what做宾语，宾语从句的谓语could do，do被省略了，第二空填 to，to help做目的状语，句意是：去年，著名的女演员尽自己最大的努力帮助山区的穷孩子。选A。