In China, the number of cities is increasing _____ development is recognized across the world.

____ that I’m feeling all right, my brain is also beginning to work much better.

How about the debate held in your class— ______

.The boy asked his parents to buy him a pair of binoculars __________ which to watch football games

She is always the first staff to go to the office and the last to leave，______ I guess is why she is promoted so quickly.