求一篇关于It Is Necessary To Say “No” Sometimes的英文作文

求一篇关于It Is Necessary To Say “No” Sometimes的英文作文 关于necessary.it is necessary to do sth.it is nec关于necessary. it is necessary to do sth. it is necessary to doing sth. 两者有什么区别?什么时候用to do .什么时候用 to doing?请回答, 求find it necessary和lt is necessary的解释首先为什么find it necassary里不加is呢?两个necessary的词性一样吗? 写一篇英语作文?Is it necessary to issue personality certificates? if it is necessary /if necessary /when it is necessary 意思一样吗 when it is necessary 为什么可以变为when necessary? 英语翻译Maybe it is a little difficult,but it's really necessary.求翻译~ it is necessary for you to work Is it necessary to learn grammer It is necessary for sb to early 是什么副词It is certainly necessary! It is necessary to do 的例句 is it necessary for you to make so much noise求翻译 Is it necessary to gain experience for college studences?求英语文章 英语辩论,求evidence cons : It is necessary to restrict the number of private cars. is english writing necessary?求关于这个问题的英语文章,求文章~ 急求关于Do you think it necessary to involve parents in the education program?的话题一篇.可以是话剧(四人)、对话（四人）,尽量是一人不少于4句话. i feel it necessary 的句子成分分析下为啥不是 it is necessary