It was （粗心的）of my little brother to leave the door open when he went to the cinema last night．
According to a survey， the average number of （日常的）steps of people across the world is 4，961．
Natural resources are very important for us and we should use them （明智地）．
Neil's coach gave him several suggestions to （避免）getting lost．
Before travelling， my mother often （准备）everything well．