-----Peterfinishedthedifficulttaskonhisown. -----He
问题详情:-----Peterfinishedthedifficulttaskonhisown. -----He___metohelphim,buthedidn’ttellmeanythingwhenImethimyesterday.Acouldhaveasked B.couldask C.musthaveasked D.mustask【回...
问题详情:-----Peterfinishedthedifficulttaskonhisown. -----He___metohelphim,buthedidn’ttellmeanythingwhenImethimyesterday.Acouldhaveasked B.couldask C.musthaveasked D.mustask【回...