be necessary for same it friends the not is to 连词成句

be necessary for和be necessary to 有何区别 be necessary be necessary for的用法1.I can't decide which to buy.这里可不可以用what to 2.be necessary for和be necessary to的区别? be necessary for sb./sth的反义词说是什么? be necessary for和 be necessary to的区别老师说be important to后面加人,如果还有下文用be important for sb doing sth那be necessary to 和be necessary是不是也是这种用法?还是说be necessary to do sth be necessary for doing st Linda,make sure the tables____ before the guests arrive.A.be set B.set C.are set D.are setting如果有E答案 will be set 2010年吉林市二模题：-How about buying sam a mobile phone?after all ,he isn't a boy any more.-I think it necessary,for w be not necessary= 英语翻译be necessary中文.、 Necessary+for还是to? there will be more room for the new baby---a brother or sister f_____ Sam. it will be necessary for you to see a doctor求翻译 it will be necessary for you to see a doctor 句中的will be necessary for same it friends the not is to 连词成句 it is necessary to restart the device in order for changes to be in effect 翻译 It will be necessary for you to make so much noise?翻译 it was necessary for him to go out last nightit is necessary for me to have some help she said it would be necessary for us to stay here 英语厉害的进来It was about training and sacrifice necessary for athletic to Complete inthe olympicssacrifice necessary可以这样表达的?sacrifice和training是名词 be necessary for 然后呢..... 用must或have to来代替括号里的词组1.（It will be necessary for you to)see a doctor.2.(Is it necessary for you to)make so much noise?3.She said (it would be necessary for us to)stay here.4.(It is necessary for me to)have some help.5.(It was