be willing to do还是be willing to doing

be willing to do还是be willing to doing be willing to do sth be willing to be willing to=? be willing to do sth difficult是什么意思? 英语翻译用到 be willing to be use to do ,be worth to do ,be willing to do ,hope to do 的 Are you willing to be my girlfriend you must be willing to take sone be willing to的同义词是什么? be willing to后面接什么? 用be eager to do sth.和be willing to do sth.造句