He didn’t attend the competition ______ he was ill at the time.
There’s ____ dictionary on ____ desk by your side.
The sign reads “In case of ____ fire, break the glass and push ____ red button. ”
Seeing the soldiers well _____ for the flood-fight, the general nodded with satisfaction.
Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
—— Have you considered _____ your job as a teacher?——Yes. I like the job because a teacher is often considered _____ a gardener.