名词性从句练习23
27.Facedwithtroubleordifficulty,apersontakes________helpthatisavailable
A.whateverB.wheneverC.whereverD.however28.Thefacthasworriedmanyscientists________theearthisbecomingwarmerandwarmertheseyears
A.whatB.whichC.thatD.though29.—Doyouknowher
HernameringsabellbutIcan’tremember________Ireaditbefore
A.whereB.whatC.thatD.if30.________therearelivingcreaturesintheouterspaceasthoseonEarthhasn’tbeenproveduntilnow
A.HowB.WhenC.WhereD.Whether31.—Heiseagertotrysomethinghehasnevertriedbefore
—Oh,Isee
That’s________he’sdifferentfromothers
A.whenB.whereC.howD.what32.Thepaintingissovaluablethatitisdifficulttocalculate________itspricewouldbe
A.thatB.whichC.whatD./33.Actually,anyonecanbe_______hewantstobe,adoctor,ateacher,alawyer,ascientistoramanagersolongashesetshismindonit