IamreallygratefultoM的精选

问题详情： IamreallygratefultoMr.Smith.Withouthishelp,I_______theentranceexamination.A.wouldnotpassB.wouldnothavepassed C.couldnotbeabletopassD.couldnotpass【回答】B知识点：虚拟语气与情态动词题型：选择题...