They are talking _____ they had been friends for years, while in fact they have known each other for only two hours.
How long do you suppose it is ___________ he arrived there?
---Will you join us in the game?---Thank you,_________ .
So many years have passed and the terrifying accident is still ______in her mind.
When Chinese people talk about American cities, the first_____ comes into their minds is San Francisco.
Nearly all educators believe that a challenging situation can often _______ the best qualities of a person.