read and think of other ways to prevent littering. 1.Encourage people to set an example for others1.Encourage people to set an example for others,especially children.2.Carry a litter bag in a car.3.Cover open loads on all trucks.4.5.4、5可以填什
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read and think of other ways to prevent littering. 1.Encourage people to set an example for others1.Encourage people to set an example for others,especially children.2.Carry a litter bag in a car.3.Cover open loads on all trucks.4.5.4、5可以填什
read and think of other ways to prevent littering. 1.Encourage people to set an example for others
1.Encourage people to set an example for others,especially children.
2.Carry a litter bag in a car.
3.Cover open loads on all trucks.
4.
5.
4、5可以填什么啊、高手进啊、
read and think of other ways to prevent littering. 1.Encourage people to set an example for others1.Encourage people to set an example for others,especially children.2.Carry a litter bag in a car.3.Cover open loads on all trucks.4.5.4、5可以填什
put up papers on the wall
Carry a litter bag to a supermaket.
waste recycling