Sure, here are the completed sentences with the comparative forms of the adverbs in brackets:

32. I find living in a town **more boring** than living in a city because there aren’t many entertainment activities.
33. In the harvest, the farmers work **harder** than they did in other periods of the year.
34. Life in the villages is **more comfortable** than in towns.
35. When you're in the countryside, it's difficult to find **more** stores than you do in the city.