must的推测用法

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1、1.Theriverisrising.It________lastnight.A.mustberainingB.mustrainC.mighthaverainedD.musthaverained2.-Why!Icouldn'tgetyouonthephonethismorning.-We________tennisintheyardwhenyouphoned.A.mustbeplayingB.couldbeplayingC.musthaveplayedD.musthavebeenplaying3.Youmusthaveseenthefilmlastnight,____

2、____you?A.haven'tB.mustn'tC.didn'tD.hadn't4.This________beawoman'sbag.Itmustbeaman's.A.needn'tB.can'tC.maynotD.mustn't5.________itbeJohnwhodidit?A.WillB.CanC.WouldD.May6.Itrainedeverydayduringtheirholiday,sothey________averynicetime.A.wouldn'thavehadB.couldn'thaveC.can'thavehadD.shouldn

3、'thave　7.Peter________comewithustonight,butheisn'tverysureyet.A.mustB.mayC.canD.will8Jennymusthavewonthematch,________?A.hasn'tsheB.doesn'tsheC.mustn'tsheD.can'tshe9.Mr.Zhuomustbeworkingintheoffice,________he?A.mustn'tB.can'tC.doesn'tD.isn't　　Keys:1-5:D.DC.B.B.6-9:CBAD参考答案与分析：　　2.D。由河水现

4、在正在上涨可知昨天夜里下雨了。　　3.D。表示推测在过去某段时间里动作正在进行。　　4.C。表示对过去情况的肯定推测并有表示具体时间的状语时，反意疑问句用didn't。　　5.B。表示否定推测，语气强。　　6.B。　　7.C。表示对过去情况的否定推测。　　8.B。由后面的heisn'tverysureyet可知，肯定语气不强。　　9.A。表示对过去情况的肯定推测，没有表示具体的时间状语，反意疑问句用haven't/hasn't。　　10.D。表示对现在正在进行的情况肯定推测时，反意疑问句用isn't/aren't。