I know that half of I spend is wasted.A. that; to advertisingB. what; to advertiseC. wha

问题补充：

I know that half of I spend is wasted.

A. that; to advertising

B. what; to advertise

C. what; on advertising

D. what ; on advertise

答案：

A. that; to advertising

B. what; to advertise

(答案→)C. what; on advertising

D. what ; on advertise

解析：可联系答.案.网客服索取。