drop to do sth与drop doing的区别是什么

drop to do sth与drop doing的区别是什么 关于drop in的用法drop in 有drop in to do sth吗eg:Drop in to see us any time.improper to drop in on him so casually.drop in on sb drop by 怎么用 drop effort to do sth.中文应该怎么翻译? Drop drop drop -----Do ____me when you come to America next time .-----Sure,I will.A.drop B.drop in C.drop in at D.drop in on drop in与drop by的区别 drop down to the drop out due to to drop the drop sth.off 和 drop sb.off怎么翻译 Good to the last drop 英语翻译I just thought drop you a line to see sth drop by drop 请问drop in on 与drop by有什么区别 drop in on 与drop by有什么区别 drop in at和drop in to到底什么区别drop in