Simon doesn't have to be made __.He always works hard.A.learn B.to learn C.learned D.learning请高手给个确切的答案,再讲下其中的语法知识.

Simon doesn't have to be made __.He always works hard.
A.learn B.to learn C.learned D.learning
请高手给个确切的答案,再讲下其中的语法知识.

B.to learn
make是使役动词,陈述语句是省略to,被动语态时,一定要将to补上

B
make sb do sth
变成被动就是sb be made to do

B
被动to要还原

B ,主动语态to离去，被动语态to回来。