Don’t forget the door before you go to bed.

We need a man full of wisdom to take charge of theproject–________ the young man graduating from Harvard havea try

The cost of living in Chengdu is among the lowest inChina, ________ the quality of life is probably one of the highest.

30．_______ I know about this competition is that it is held every two years

I can’t give up smoking, doctor.—For your health, I’m afraid you ________.