When they were

When they were oh when they were young when they were young 是什么意思? They were students when they were in their( ) after they were born 和 when they were born They () home when they were ten They () () () () home () the they were----when I got there when were electric slippers invented?who were they invented When they travelled in the forest,they were l( ) they knew each other when they were 14 ye They were _________ when they heard the _______ news. 1.They ( )work very when they were young.