Whenhisstep-motherknewthatLinclonl

发布时间：2020-07-10 21:11:17

When his step-mother knew that Linclon liked reading, she did all she could ________ him.













A.in helping












B.to help











C.help











D.for helping

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B解析could后省略了do, to help him表目的．
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