Oh, it's you, I'm sorry I ____know you ____here.
Those photos _____ the happy memories of my beautiful school days.
Miss Woody made _____ clear that she would never have cooperation with that company.
No one in the factory but the brothers _____ that our factory will be closed because of the financial problem.
The girl left home after quarreling with her parents, _____ them quite worried.
Not until ___to do my homework ____ how much time I had wasted playing computer games.