be free to sb还是be free for sb

是be free to sb 还是be free for sb be free to sb 还是 be free for sb ..快速.. Sb be free.造句 英语翻译answer to.be free for sb.一定要造句. 谁能用sb be free to do sth sb be busy with sth sb b be rude to sb还是for sb be important to sb还是for sb be embarrassing to sb还是for sb? 是be sorry for sb 还是be sorry to sb be important to sb.还是be important for sb. 是be difficult to sb 还是be difficult for sb? be kind to还是for sb