He is used to _________ the matters that I don’t know _________．A.dealing with; what to do with themB.dealing with; how to deal withC.do with; what to do withD.do with; how to deal with them
网友回答
B解析根据be used to后接动名词，可以排除后两项。本题包括一个定语从句，关系代词that在句中充当with的宾语，故them是多余的。句意：他习惯处理一些我不知道怎样处理的事情。