leave. Don't bring glass bottles or cans that are not allowed.4. Try to reach your seat half an hour... and officials. Leave the stand in good order.20. Clean your seat before you leave. Remember to take ……

carefully before you leave. Don't bring glass bottles or cans that are not allowed.4. Try to reach your... Olympic volunteers and officials. Leave the stand in good order.20. Clean your seat before you leave ……

leave. Don't bring glass bottles or cans that are not allowed.4. Try to reach your seat half an hour... and officials. Leave the stand in good order.20. Clean your seat before you leave. Remember to take ……

TUCHONGTake a look at the trash bins (垃圾桶) outside of your house. They often come in different colors. But this isn’t just for fun – those colors tell you how you should sort (分类) your trash.Take ……

seat half an hour before the start of the event and don't leave when a game is in progress. When you leave, remember to take away your soft drink bottles and other trash.During exciting games, try ……

垃圾分类节能又环保，快行动起来吧！Take a look at the trash bins (垃圾桶) outside of your house. They often come... trash can help us in many ways. We can make sure that harmful things, such as batteries, don’t pollute ……

? Then, you can get a seat inside.Woman: I like sitting here. Can you leave me alone?Man: Fine. But I...What are they doing? What do you think they are saying? Send your ideas to zhouyixuan@i21st.cn ……

in your seat row while putting baggage in an overhead compartment.* Don't stick your feet out....* When the plane lands, don't immediately stand up and hover over your seatmate. Wait until you see ……

in your seat row while putting baggage in an overhead compartment.* Don't stick your feet out....* When the plane lands, don't immediately stand up and hover over your seatmate. Wait until you see ……

垃圾分类：化腐朽为神奇。词数 220 建议阅读时间 6分钟DO you often help your parents throw away trash? If so, how do you throw it away? Many people just throw a whole bag of trash into one bin (垃圾桶). But if you do ……

up their trash when they leave the train. In the US, public services, such as the subway, are often short on funds. The city probably doesn't have the money to hire people to pick up trash. Nobody ……

says: Yes, please, everyone, clean up your corridors! We can smell that stinky trash from here....The hallway is often smelly because some students leave garbage outside their doors. They apparently don ……

(必要的).Bring some plastic bags for trash. Don’t throw trash anywhere you want. Put it in your trash bag... for you.Follow your teacher’s orders.When you ride the bus, always wear a seat belt (安全带) if the bus has ……

Your seat and studies你是爱学习的人吗？What is your favorite seat in the classroom?A: The center seat...) and others easily affect (影响) your attitude (态度) toward your studies.C: You don’t like class ……

. Don’t bury trash or food, and don’t try to burn packaging materials in campfires. Use the privy (茅房... poorly. Collect only firewood that is dead, down, and no larger than your wrist. Leave dead standing ……