How do the shops make money ifthey sell at such low prices?— Manufacturers, it seems, are willing to bring down prices____ big volume purchases[ ]

I prefer watching TV to ____ music every day.

I’m afraid moving all those boxes will _____ too much time.

Will you go to Nanjing by bus _____ by plane—By plane. It is expensive ______ fast.

26.The house I grew up______has been taken down and replaced by an office building