The agent was about to sign his name to the document ________,to our surprise,a stranger broke in to prevent him.
— I seldom watch TV, but listen to the radio a lot . — ___________.
She doesn't know _________________ made her daughter so sad this morning.
Only when __________________ permission _______________ allowed to enter the lab.
—Will you be able to finish your work today ? —________.
---Are you going to the cinema this evening? ----No, the ticket is _____ for us.