Here are the comparative forms of the adjectives in brackets:

1. I find war films **more boring** than romantic films. (boring)
2. He is **cleverer** than I thought him to be. (clever)
3. My English is **worse** than Kellie's. (bad)
4. Which one of these cities is **farther** from us - Tokyo or Berlin? (far)
5. Jim Carrey's latest film is **funnier** than the previous one. (funny)
6. Ho Chi Minh City is **more polluted** than Da Nang. (polluted)
7. I think living in the city is **better** than living in the country. (good)
8. The house is much **more spacious** than the flat we had in London. (spacious)
9. Today's weather will be 5 degrees **hotter** than yesterday's. (hot)
10. The seafood here is **more delicious** than the seafood in Ha Noi. (delicious)