21.A:Whatdoesyourmotherdo?B:().A.ShedoesshoppingonceaweekB.ShetellsstoriestomydaughtereveryeveningC.Sheisaclerkinabank22.A:Aretheretwomenintheroom?B:()__.A.No,thereareoneB.No,there'sonlyoneC.Yes,thereisone23.
21.A:Whatdoesyourmotherdo?B:().
A.ShedoesshoppingonceaweekB.ShetellsstoriestomydaughtereveryeveningC.Sheisaclerkinabank22.A:Aretheretwomenintheroom?B:()__.
A.No,thereareoneB.No,there'sonlyoneC.Yes,thereisone23.Ijust()attheofficeformostoftheday,andIdonoexercise.A.sitaroundB.sitinC.sitdown24.A:()youlikeadrink?Wine?Beer?B:Abeer,please.A.CouldB.WouldC.Do25.A:IsawTomjustnowatthecaféB:It()behim.HewenttoU.S.A.yesterday.A.mustn'tB.can'tC.shouldn't