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

John thinks it won’t be long____he is ready for his new job.[ ]

At the foot of the hill, you could hear nothing butthe _____of the running water.

He has collected ___ six hundred dollars

Have you ______ some new ideas? —- Yeah. I’ll tell you later.