The beautiful girl stood there until the train ___________

I regret _____ you John has been fired. — I can hardly believe my ears. He is such a fine worker.[ ]

Smoking is bad for your health. You should .

he denied having seen my lost MP4, Ibelieve at least from nobody else can I get better source of information.

I often go to the English corner to have a free talk with my classmates ____ I am busy.