He________ the police when he found his house broken into.[ ]

Health problems are closely connected with bad eating habits and a _____ of exercise.

It’s really a great pity that all of you ____ leave sosoon. It’s been pretty nice having you all at my birthday party.

When asked to explain ________ he does to make his students so fascinated with his lessons, the teacher paused and thought deeply.

If I weren’t so tired, I __________ with you to the movie tonight.