Some hard-working students always keep a torch in their domitories _____ there is a power failure.
___and breathless, we reached the top of the mountain and stopped, ___the beautiful scenery.
After graduation, he was employed by a famous company and ____ there ever since.
Dad is used to smoking and drinking. There’s no chance _____ I’m able to talk him into .
—The fishermen should have been warned of the bad weather. —___, but they didn't listen to it.
—John, I know nothing about playing tennis.I wonder if you could teach me. —___.Just name the day.