9.With the world changing fast we have something new with all by ourselves every day.A. d

问题补充：

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

A. deal

B. dealt

C. to deal

D. dealing

答案：

A. deal

B. dealt

C. to deal

D. dealing

解析：

句意：随着世界的快速变化,每天我们都有些新东西要自行处理。这里表示“有…要做”要用have…to do。