- Have you considered _____ your job as a teacher?　 - Yes. I like the job because a teacher is often considered _____ a gardener.

She hurried to her office by taxi, only _____ that the key had been left at home.

       in faraway northwest, this place has its beautiful fresh air．

There’s a fascinating drive         out for tourists.

Everyone in this country should work hard and do what they can _____ against national smog.