1、1414 object to objection to ,骤 occur to , of age of choice of course of late of name of oneself of purpose of use of value off and on , off campus off duty offer to do sth. on (an/the) average , on (the) one hand on a large scale on a small scale on a small/large scale () on acco
2、unt of on and off (off and on) on any account on average on behalf of on board () on business on call on condition that on duty on earth ; on fire on foot on guard on hand , on hire on holiday on leave on loan to on New Years Eve on occasion(s) on ones knees on ones own on ones wa
3、y to on ones guard , on ones honor on ones own on ones part , on order on purpose on sale on schedule , on second thoughts on shore on show on strike on the air 磬 on the beach on the contrary on the corner on the early morning硡 on the eve of on the grounds of ,. on the location/on location on the ot
4、her hand on the playground on the point of on the road on the side / on the side of on the sly , on the spot on the stage on the third floor on the tip of ones tongue on the top of on the verge of , on the whole on time on top of on TV on watch on(an/the) average , on/over the radio once (a
5、nd)for all once again once for all , once in a while once more once or twice once upon a time once(and)for all one after another one another one by one onethe other ones cup of tea/ open fire open to, open up operate on ,;,() opposite to or else or rather or so , order sb. to do sth. originate from
6、, other than ought to out of ,;, out of out of breath out of control out of danger out of date out of debt out of doors out of ones reach out of order out of pity顡 out of place out of practice , out of question out of sight out of step , out of the question out of touch , out of work over and over /again owe to 鹦 owing to
