ProfessorJohnsonissa的知识精选

ProfessorJohnsonissaid
问题详情:ProfessorJohnsonissaid________somesignificantadvanceinhisresearchinthepastyear.A.havingmade  B.makingC.tohavemade D.tomake【回答】C[句型“主语+besaid”后接动词不定式,根据句中的时间状语inthepastye...
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