My TV has ________ so I can’t watch it and I don’t know how to kill time.
Mr Bush is on time for everything. How _______ it be that he was late for the opening ceremony?
—Are you coming to Alice’s party? —I’m not sure.I _______ go to the concert instead.
—May I smoke here? —If you _______, choose a seat in the smoking section.
—Can we ski on this mountain? —Of course.However, at no time _______ you do so alone.
He _______ have completed his work;otherwise, he wouldn’t be enjoying himself by the seaside.