更新时间：2018-07-29 16:26作者：王新老师
答案是B
21.—CanyoucometoapartyonSaturday,Peter
—Oh,______I'malreadygoingout,I'mafraid.
A.whatapity!B.don'task!C.howcome?D.sowhat?
22.IfyoucometovisitChina,youwill______acultureofamazingdepthandvariety.
A.developB.createC.substituteD.experience
23.______scientistshawlearnedalotabouttheuniverse,thereismuchwestilldon'tknow.
A.OnceB.SinceC.ThoughD.Unless
24.JustasIgottotheschoolgate,IrealisedI______mybookinthecafe.
A.haveleftB.hadleftCwouldleaveD.wasleaving
25.Ashipinharborissafe,butthat’snot______shipsarebuiltfor.
A.whatB.whomC.whyD.when
36.I’mso______toallthosevolunteersbecausetheyhelpedmyterribledayendhappily.
A.specialB.superiorC.gratefulD.attractive
27.______thedifferencebetweenthetworesearchfindingswillbeoneoftheworstmistakesyoumake.
A.IgnoreB.IgnoringC.IgnoredD.Havingignored
28.Someexpertsthinkreadingisthefundamentalskillupon______schooleducationdepends.
A.itB.thatC.whoseD.which