Although the police thought he was the most likely one, _____ they had no exact proof about it, they could not arrest him.
Jenny works hard as usual and it has _____. She got the first in the final exam again.
— Let's have a game of tennis; the loser has to treat the other to a hot dog. — .
Since many young people have become rich on Taobao.com, I wonder what ________ is like to run a successful on-line business.
A fire broke out in the building at about 7 on Tuesday morning, _____ in the death of a young girl.
--- You don't seem to be quite yourself today. What's wrong? --- Oh, I'm suffering from a cold. Nothing serious, _____.