Tuliskan notice yang positif 10 di tempat-tempat umum!
gumantinr
1. be silent. 2. slippery road. 3. be careful. 4. slow! children at play. 5. rest area. 6. keep the lavatory clean. 7. turn right only. 8. bring back the books at the right place. 9. put your rubbish into the right 10. close the door slowly.