—Why do you want to work for our company?

—This is the job that I           for.

A．looked

B．am to look

C．had looked

D．have been looking

经过多次税制改革，我国现已形成多税种、多层次、多环节调节的()体系。

A．弹性税制

B．简单税制

C．复合税制

D．单一税制