1. My old house is more narrow than my current .
2. He was expected worse than his performed.
3. This time Mike 's brother run slower than Mike
5. I decorated my cake more beautifully than Jane.
4. I think Jim will have a lower position than you .
6. Last year Peter invested less amount of money on his business than this year
7 .Jim's computer is cheaper than my computer
8.Playing video games is more time-consuming than playing sports.