15.IamafraidIcan'tgetinallthewheatwithinsuchashorttime___tohelpmetomorrow.a.unlessyouwillcomeb.untilyoucomec.untilyouarecomingd.untilyouwillcome20.He___ esnotdare22.Thepassengerswererobbed____ ay29.Hisfamily___muchlargerthanmine,andhisfamily____ eis
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15.b20.C22.A29.Ctuntil直到...才、unless除非...都用一般現在時態表將來20.dare作情態動詞時用于否定或疑問句中 b.ofsth.此句是被動語態29.family集合名詞,表整體概念謂語用單三形式,表個體概念謂語用復數即原形動詞第一空表整個家庭,第二空表全體成員