Rewrite the sentences so that they have the same meaning as the original ones

rewrite the sentences so that they have the same meaning as the original ones:
1. although they are short, they still love playing sports
→ in spite of...
2. they will use solar energy to protect the environmet
→ solar energy...
3. I find English is interesting
→ I am...
4. they will show flying carr to the public when they finish it
→ flying cars...
5. we will be using biogas for cooking and heating at this time next month
→ biogas...
6. Nha Trang has 10 tourist attractions. Phan Thiet has 5 tourist attractions
→ Nha Trang...
7. there were some trees in the field, but now there aren't any
→ there used...
8. he got top marks at high school; however, he never went to university
→ although...
* ai có tâm lm ơn giúp tui ;-;"