请问keep on doing和 keep doing在用法上有什么区别?还有,当表示“继续做某事‘时,keep on doing
问题描述：
请问keep on doing和 keep doing在用法上有什么区别?还有,当表示“继续做某事‘时,keep on doing
答
可互换,只是keepon更加强调时间的间隔性和动作的反复性,及某人做某事的决心.Hekeptonworkinguntilmidnightthoughhewastied.Theboykept/keptonaskingsomesillyquestionsinclass.2)若表示一连续不段的动作,或某一动作...