1、专升本英语综合练习题I.VocabularyandStructure1.Tomwasdisappointedthatmostoftheguests______whenhe______attheparty.A.hadleft,arrivedB.left,hadarrivedC.hadleft,hadarrivedD.left,arrived2.SirDenis,whois78,hasmadeitknownthatmuchofhiscollection______tothenation. A.hasleft B.istoleave C.leaves D.