Mr Black _______ $50,000 ________ the new car.

A.cost; on

B.took; in

C.paid; on

D.spent; on

答案及解析： D

sb. spends some money on sth.某人在某物上花钱；it takessb. some time to do sth.某人做某事花多少时间；sth. costs sb. some money某物花费某人多少钱；sb. Pay (some money) for sth.某人为某物付款。根据句型结构可知此处只有D项正确。