it needed us to observe the nature of the things for us to study the perspective relation

it needed us to observe the nature of the things for us to study the perspective relation It is___for us to do eye exercise every day.(need) 是needed么 those who are our friends are the ones who are going to help us when it's needed. Through long power lines electricity goes____A.to the place needed B.there it is needed C.where it is needed D.which it is needed it needed hard work to finish the job这里为什么用needed而不用need? it needed hard work to finish the job这里为什么用needed而不用need? it's not needed to wear your shool uniform.中为什么要用needed When my heart is broken,is it needed to fix? when my heart is broken ,is it needed to fix? It seems to us that 英语语法,help !help! help!All of us need to feel needed and admired.为什么feel后面是直接加needed而不是being needed或be needed,不是被动语态吗? would you -------?A show us to it B show us for it C show it to us Dshow us it needed to do 对吗 need有被动语态么 比如it is needed 还是It need to be used? information in the long term memory can be recalles at a later time____A than is needed B,when it is to be needed C needed D when needed 0-0 为啥米? 定语从句1.（1）we should go to the place( )we are most needed（2）.we should go to the place( )needs us most A it B where c that D what2.（1）It was October（ ）we met in Shenzhen for the first time（2） It was in October（ ）we met i let us s_____you how to do it It will take us right to the