Reusable bottles are often more practical., Students often bring reusable bags to school., Our school usually organizes environmental activities., The air is sometimes polluted in big cities., People sometimes waste food at large events., Recycling bins are usually full after lunch., Students sometimes forget to turn off computers., Our school is always clean in the morning.

sustainable development

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟