专四专八习题练习

专四专八考试专四考试易错题(2018/4/28)
1题:Nowhereinnatureisaluminumfoundfree,owingtoitsalwayswithotherelements,mostcommonlywithoxygen.()
A.beingcombined
B.havingcombined
C.tocombine
D.combined
【单选题】:      

2题:Someofhisanswerswerecorrect,butIdon‘tremember.()
A.whatone
B.whichone
C.few
D.not
【单选题】:      

3题:ThisCDcostsmetheoneIboughttheotherday.()
A.asmuchasthreetimes
B.asmuchmoneyasthreetimes
C.threetimesasmuchas
D.threetimesasexpensiveas
【单选题】:      

4题:IhimtheChristmasgiftbymailbecausehecamehomeduringtheChristmasholidays.()
A.oughttohavesent
B.couldn‘thavesent
C.musthavesent
D.needn‘thavesent
【单选题】:      

5题:asmuchasone-fourthofalltimberharvestedisnotused.()
A.Theestimate
B.Theestimatethat
C.Theyareestimated
D.Itisestimatedthat
【单选题】:      

 

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