My mother500 yuanthe bike.A. paid on B. paid for C. spent to D. spent in

问题补充：

My mother500 yuanthe bike.

A. paid, on

B. paid, for

C. spent, to

D. spent, in

答案：

A. paid, on

(答案→)B. paid, for

C. spent, to

D. spent, in

解析：

spend用于sb spend...on sth或者sb spend...in doing sth（in可以省略），spend的主语必须是人，可以指花费时间、也可以指花费金钱； pay的基本用法是：(1) pay (sb.) money for sth. 付钱（给某人）买……。 (2)pay for sth. 付……的钱。 (3)pay for sb. 替某人付钱。(4)pay sb. 付钱给某人。买这两自行车我的母亲付了500元。选C。