Her father tried to______ that nothing unusual had happened．
In fact，it was not serious．（ ）
A．imagineB．pretendC．meanD．warn
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
The Chinese team are working hard ________ honors in the 2016 Olympic Games．（ ）
A．to winB．winC．winning