Pollution has harmed our lives in many different ways until now ．（ ）
| A． |
so much |
B． |
so far |
C． |
as usual |
D． |
as before |
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