题目
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 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
提问时间：2020-06-06
答案
drop in on是顺便拜访
没有drop in to do sth,只有drop in to sth 表愿意接受
Drop in to see us any time.任何时间都欢迎我们
drop by 是顺便拜访=drop in on
没有drop in to do sth,只有drop in to sth 表愿意接受
Drop in to see us any time.任何时间都欢迎我们
drop by 是顺便拜访=drop in on
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