His parents often encourage him _________ hard.A.work B.working C.to work D.works 想知道选项

问题描述:

His parents often encourage him _________ hard.A.work B.working C.to work D.works 想知道选项

C
encourage sb. to do sth. 鼓励某人做某事

C. to work
encourage + 动词不定式

C.to work

C