The corn powder with two other things water to make all kinds of good.A. are mixed with

问题补充：

The corn powder with two other things water to make all kinds of good.

A. are mixed with

B. is mixed with

C. are mixed by

D. is mixed by

答案：

A. are mixed with

(答案→)B. is mixed with

C. are mixed by

D. is mixed by

解析：考查主谓一致。with 连接两个主语时，谓语动词取决于前者，短语：be mixed with用什么混合，根据语境所以选B。