Your mother prepared delicious food for us yesterday. Please say thanks her. A. forB. toC

问题补充：

Your mother prepared delicious food for us yesterday. Please say thanks her.

A. for

B. to

C. with

D. of

答案：

A. for

(答案→)B. to

C. with

D. of

解析：句意：你妈妈昨天给我们做了美味的食物，请对她说谢谢。Say sth. to sb. 对某人说什么，故用介词to，后面是接要说话的对象，故选B。