1. I suggest that we should reserved the animals in the world ( reserved : Bảo tồn )
2. I suggest that we shouldn't littering indiscriminately in public ( littering indiscriminately: vứt rác bừa bãi )
3. I suggest that we shouldn't use dynamite to catch fish ( dynamite: đánh mìn, bom )
4. I suggest that we should open extracurricular programs on nature conservation ( open extracurricular programs on nature conservation: mở chương trình ngoại khóa về việc bảo tồn thiên nhiên )
