Do you_____ your work? ----Yes, I do.I like _____ busy.A.do;to makeB.finish;workingC.keep;enjoy D.enjoy;keeping答案是D,请问为什么Keeping 后面不用keeping on?

问题描述:

Do you_____ your work? ----Yes, I do.I like _____ busy.
A.do;to make
B.finish;working
C.keep;enjoy
D.enjoy;keeping
答案是D,请问为什么Keeping 后面不用keeping on?

keep on(保持,持续)+doing sth ,不能加形容词的

keep on 的用法是:keep on (doing) sth,不可以直接接形容词,应该是keep on being busy
而keep在这个地方相当于系动词,后面可以直接接形容词