______ he has made a decision, it is not easy for you to make him change his mind.
When you phoned me,I was having a meeting,otherwise I_______your call.
_________I went to the US,I visited many cities.
He_______gardening after his retirement.
Traffic on the bridge was_______for an hour because of the accident.
Ten dollars_______a big sum for a small child,and they will go a long way.