23.They are teachers and don’ t realize_______to start and run a company.
It was in the lab _____ was taken charge by Professor Wang ______ they did the experiment.
No one can avoid ______ by advertising; it is everywhere.
With all the audience ________, the speech began.
—Ken, why do you look so tired? —I _______ myself to the climate since I came here.
Some passers-by witnessed the car accident____ five passengers were killed, a baby included.