Across
- 4. Your phone may be ____ in HCM city
- 8. homework shouldn't be __
- 9. Mobile phones can be ____ to school
- 11. time and energy may be ___ if you aren't efficient
- 13. some chemicals are dangerous so they mustn't be ___
- 15. clothes can be ______ using different fabric
- 16. cardboard is thick so it can be ___ as boxes when packing
- 17. paper is thin so it can be ____ using hands
- 18. books can be ____ by the school library
- 20. houses can be ___ up using solar energy/power
Down
- 1. friends should be ___ for making mistakes
- 2. Many plastics are soft so they can be ______
- 3. Some snakes are venomous, so you mustn't be _____ by them
- 5. some metals like gold and silver are precious, so they can ___ a lot.
- 6. secrets should be ___ between friends
- 7. Glasses can be __ if you drop them
- 10. Trash mustn't be ____ on the floor
- 12. Windows should be ____ during a storm
- 14. fish can be ___ in this lake
- 19. Papers are light so they can be __ away by the wind