If you take sleeping pills for a long time, you will____ them.
It was at this shop ______ I came across one of my old friends.
His father told me that he ____for the United States three days _______.
--- My God! I’m getting late again,what will my boss say? --- Try to keep _______; we will think of an excuse.
I can’t spend___ money on the car which is ___expensive for me .
_____, the great mother, in order to save her sick child, kept waiting for four hours in the heavy snow.