相关IamtoobusynowIfI的文学知识

问题详情：Iamtoobusynow.IfI____ free,I____tothecinemawithyou.A.am;willgo    B.am;wouldgo    C.were;wouldgo   D.was;wasgoing【回答】C【解析】Cif从句用的是虚拟语气，与现实（很忙）相反时，虚拟语气用一...