两道非谓语动词英语高考题：1.Tom asked the candy makers if they could
Tom asked the candy makers if they could make the chocolate easier ____ into small pieces.
A.break  B.breaking  C.broken  D.to break
Nowadays people sometimes separate their waste to make it easier for it _____ .
A.reusing  B.reused  C.reuses  D.to be reused
两个都选D,为什么第一个是主动形式表被动,第二个就不是?这两个有什么区别?