They were lost at sea, _______ the mercy of wind and weather.
You ___________use your cell phone here in our hospital because of the disturbance to the electronic equipments! It’s forbidden.
.——Don’t look down upon Bob. He has his own advantages.——Oh, yes. ___________others are weak, he is strong.
Alice left the company half a month ago. Her work ___________unfinished since.
In order to support the big family, he worked so hard that___________ he made himself ill.
While he was at _________ college, he took part in political activities, and was soon thrown into prison.