Li Gang, a police officer said that little about what his son _____ he know the moment all the media reported the traffic accident _____ in Hebei University.
I was given three books on sewing, the first ______ I really enjoyed.
Was it two years ago ________ they first met?
There was good food __________ abundance at the party.
It is very common that former soldiers have difficulty in ___________ civilian life.
After three years’ study, Jane got a ________ for teaching English.