The robot is made all the housework.A. doB. to doC. doingD. to be done

问题补充：

The robot is made all the housework.

A. do

B. to do

C. doing

D. to be done

答案：

A. do

(答案→)B. to do

C. doing

D. to be done

解析：句意：这个机器人做所有的家务。made sb do sth 使某人做某事，变成被动结构后省略的to 要加上，即be made to do sth,故选B。