Time to say that our youth too much harm,

Time to say that our youth too much harm, time to say goodbye It is a waste of time ( ) that againA.say B.said C.to say D.saying our,to,goodbye,time,it,say,friends,to,is怎么连词成句? that is to say that is to say. That is to say It is time for us to say goodbye to our friends.【同义句】 It is ＿ ＿ to say goodbye to our frienIt is time for us to say goodbye to our friends.【同义句】 It is ＿ ＿ to say goodbye to our friends.注意是同义句 The last time to say Our maths teacher has a sense of humour.That is to say he is h_____ They say that it`s good for our health to drink ____(八杯水) every day. when that girl will say that she dosen't love u at that time u have to say that girl who loves u It's time that we set about doing our homework.改写:It's time for us to do our homework. It is time to go back home.Let us say'' to our teacher''.第二三个字母是OO 一句很短的英文,请帮忙翻译一下,谢谢.it only remains to say that next time,. they always say that time change things ,but you actually have to change them yourself That girl,with regard to the past,because at that time I am sorry to say I do not know that is to say = that's to say 吗?