—Why did you drop the chance of earning big money?—________. You know, I don’t want to get rich by taking risks.
The teacher called Tom to his office because he was caught_____in the exam.
The young writer_____his success to his teacher’s encouragement.
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.