Whatever amount you decided to be certain that the money will be put to good use.A. exch

问题补充：

Whatever amount you decided to , be certain that the money will be put to good use.

A. exchange

B. calculate

C. donate

D. distribute

答案：

A. exchange

B. calculate

(答案→)C. donate

D. distribute

解析：考查动词：A. exchange交换B.calculate计算C.donate捐赠D.distribute分配，句意：不管你决定捐多少钱，要确保这个钱要用到正当的地方。选C。