Unit 3
- ask问answer回答eat吃make制造; 做think想late晚; 迟到class班question问题actively积极地quiet安静的
- make noise喧闹; 制造噪音keep your room clean保持房间清洁do housework做家务read in bed在床上看书go home late晚回家go home回家get up起床go to bed去睡觉help old people帮助老人
- keep off the grass不要进入草地take good care of young children照看好儿童play on the street在街道上玩耍pick flowers摘花litter乱丢杂物wait等待take拿; 乘坐young年轻的child ( children )孩子 ( 复数 )people人; 人们