I am going to buy rice this afternoon.A. some onB. some inC. any /D. some /

问题补充：

I am going to buy rice this afternoon.

A. some, on

B. some, in

C. any, /

D. some, /

答案：

A. some, on

B. some, in

C. any, /

(答案→)D. some, /

解析：rice是不可数名词可以用some或any来修饰，any用来修饰名词时一般用在否定句或疑问句中。in the afternoon是固定短语表示在下午。