7、D.help44.A.difficult B.helpless C.possible D.unusual45.A.ability B.experience C. knowledge D.study46.A.after B.since C. until D.when47.A.Aboveall B.AsamatteroffactC. Asaresult D.Inspiteofthat48.A.family B.house C. office D.restaurant49.A.hi
8、re B.accept C. suit D.offer50.A.letter B.name C. note D.number51.A.cook B.help C. teacher D.secretary52.A.almost B.never C. nearly D.really53.A.answered B.promis