When his mother came in, the boy pretended ______.
Dirk Andrewi,Tony were named as assistant professors, Believe it nor not, three of them were ofage.
___ the front door ___, he had to enter the room through the back door.
_____ the diamond, he had to look for a place to hide it.
The dog, _____, will be made a good watchdog.
--- Have you considered _____ your job as a teacher? --- Yes. I like the job because a teacher is often considered _____ a gardener.