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<正>一、非谓语动词与状语从句的转换1.现在分词与状语从句的转换Sit down,Emma.You will only make yourself moretired,____on yourfeet.A.tokeep B.keepingC.having kept D.tohavekept简析:选B。现在分词短语keepingon yourfeet在句中作条件状语,相当于一个条件状语从句。原句