when do you need it by?

when do you need it by? What do you drop when you need it and take back when you do "What do you drop when you need it and?take?back?when?you do Do you think children need to be supervised by parents when What you need,when you need it 如何翻译? Because you need do it是什麽意思? you need ___(do )it again You need to do it ,___ ___? stand by your friends when they need you翻译 You should do it by [ ][you] Love will find you when you need it Baby,do you know?I'm so lonely,and I need you,need you by my