we all think it/it is neseccary to listen to music为什么it ,it is两者都可以使用?分别阐述在句中的成分和理由

We all think it necessary and important that a citizen i think it best when i say nothing at all we all like it. - Children all like this book.- I think it ____very interesting. I think that I just throw it all up later,but it think it's just high metabolism or maybe. Think it over ,I think it's I think it----question---- I think it is who we talked about last weekend! i think it time for -----(we) to leave now We all think it intereting to play outside.We all think it interesting to play outside.We all think it's interesting to play outside.在语法上有什么不同,最好谈谈你的理解 I think it's useless ___ when we have made mistakes.All we can do is to correct themA complaining B complained C having complained D being complained We think the chinese is w_ .We all love it一天之内,快 We must ___ all the new words after school.急I think so,it is very ___.Ithink it will help you ___ English well.But I think you should ___ yourself in your free time. never think about it ,i don 't care ,it doesn't mattar,that's all right we could have it all 1.I think it's b_____to play computer games all day.2.Mary is a-----to cross the river on a ropeway.3.We all enjoy t-----to Hainai.It's great. 英语翻译the charity show is_____(结束).we all think it is a great success 为什么这句是We all think it a pity that……?