The tourist is prevented from entering a country if he does not have ________ passport.

[A] an operative

[B] a valid

[C] an efficient

[D] an effective

What prevented Chris Cocalis from developing ebikes sooner?A. Retailers’ refusal

But many injuries and deaths from this kind of natural disaster can be prevented

Others try to be prevented from knowing it all and ignore the outside world.Ther

[判断题]A vessel entering a country from any place outside can call at any port nom

[判断题]A vessel entering a country from any place outside can call at any port nom

[单选题]The Great Wall isa great tourist attraction，[luring] millions of visitors e

[单选题]The storm prevented me _______.A.to go out B.to going out C.from being out

[单选题]The Great Wall is _______ tourist attraction that millions of people pour in every year.A． so a well-known B. a so well-known C. such well-known a D. such a well-known

[试题]NiagaraFallsisagreattourist___________,drawingmillionsofvisitorseveryyear.A)attentionB)attractionC)appointmentD)arrangement

[单选题]NiagaraFallsisagreattourist______drawingmillionsofvisitorseveryyear.A)attentionB)attractionC)appointmentD)arrangement