—_____ that he picked up his uncle at the airport?—It was at 6:00 in the afternoon _____ he got off work.             

---- Was _________ Bill , ________ played basketball very well, __________ helped the blind man cross the road?------- Yes, of course. He is always ready to help others.

It was the President himself______ opened the door．

I don't mind her criticizing me，but ________ is how she does it that I object to.

— ______you write so well? —By reading and keeping diaries every day.