It's great of you to give me this book 为什么这样用?RT,这句话中还有什么知识点吗?

It's great to see you all it's great to see what's left of you 请问后面的 what's left of you 为什么有is It's an honour,a great honour,to hear you speak so highly of me.请问to hear you speak so highly of ---By the way,our parents sent their best wishes to you.---____________.A It is nice of them B All right C Thank you D It’s great It's nice of you to say It's nice of you to help It's good of you to It`s my great honor to write a letter后面用to you还是for you It's my great honour to be invited to give a s___ to you. 这句英文中：It's been a great pleasure showing you the singhts of Beijing.为什么是Showing,而不是to showor to showing? 翻译中文：Hi,everyone. My name is Jneey. It's great to see of you. I'd like to tell you a few翻译中文：Hi,everyone. My name is Jenny. It's great to see all of you.I'd like to tell you a few things about myself. IT’S HARD TO COMPAIR WITH YOU!YOU ARE SO GREAT! YOU ENGLISH IS GREAT IT'S REALLY NICE TO MEET YOU 英语 看一下这个句子有没有错 The CD you lent me helped me pass the exam which was important to me.I am thinking about sending it to you for it’s really of great significance for you, It's great of you to give me this book 为什么这样用?RT,这句话中还有什么知识点吗? and when you feel something on the end of the line ,well ,it's great 把英文翻译中文（课文）Tell me about the great Wall.I want to go there.you can!whenyou visit me in China,we'll go.It's near to my home.Can we walk allof the great Wall,Daming?NO,we can't walk all of it .It's too long!Why?How long is it?It's It's my great pleasure to be with you under the same sky!