Have you seen the film “Gone with the wind”— Yes, I ___ it three times when I was at college.

__ us another hour, I suppose, and wewill fulfill the task perfectly—Will that do OK

Due to the super typhoon Haiyan, all the flights were delayed or cancelled, so the conference had to be ________.

Please hold on to your dream _____ one day it comes true.

Our maths teacher set so difficult an examination problem ______ none of us worked out.