You haven’t seen the film ‘2012’,have you?

The room is in a terrible mess; it _____ have been cleaned. [ ]

On hearing the news, the girl rushed out without hesitation, _____ the luggage _____ on the floor, and _____ in the dark.[ ]

Li Jianrou won China’s first gold medal _________ February 13, 2014 at the 2014 Sochi Winter Olympics in Russia.

When will you come to see me, Dad?— I will go to see you when you ____ the training course.