Polluted air and water kill plants, animals, and even people.( )
can
can't
should
shouldn't
She went to a European university to study art._______ university is really amazing.( )
A.AnB.TheC.A
He ________ in Zhuzhou since seven years ago.( )
A.worksB.workedC.has worked
The passengers _______ show their ID cards before getting on the plane.( )
A.mightB.mustC.could
Her birthday is ______ winter,the most beautiful season in a year.( )
A.inB.atC.on
The twins are in different classes.One is in Class One and ______ is in Class Two.( )
A.anotherB.otherC.the other