Sắp xếp các từ sau thành câu có nghĩa"
1. to/I/apologize/mistake/When/I/wrong/,/I/them/realized/my/was/for/.
2. the/continue/ earth's/ the/If/gases/in/atmosphere/become/to/,/the/climate/increas/may/warmer/.
3. the /cause/lot/of/ice/the/may/may/serious/melt/Poles/floods/A/and/near/.
4. that/world/so/have/are/down/over/many/People/there/now/areas/of/cut/waste last trees/all/the/wast/.