We can't making a plan．Clean﹣up Day is only two weeks from now．
Yes，I think so．（ ）
A．put onB．put upC．put offD．put out
The watch _______ you gave me keeps perfect time．（ ）
A．whoB．whatC．that
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