With the world fast we have something new to deal with all by ourselves every day.A. cha

问题补充：

With the world fast, we have something new to deal with all by ourselves every day.

A. change

B. changed

C. tochange

D. changing

答案：

A. change

B. changed

C. tochange

(答案→)D. changing

解析：考查with的复合结构。the world 与change之间为主谓关系，且表示主动进行，故用现在分词changing。句意：随着世界的迅速改变，每天我们要靠自己处理一些新的事情。