Here’s the passage completed with the comparative forms of the adjectives in brackets:

Is life better now than it was in the past? Of course in many ways life is (1) **easier** now. We live in a world which is (2) **cleaner** and safer. It is generally (3) **healthier** as well, and because of improvements in medical care, both men and women can expect to live (4) **longer** lives. Our day-to-day existence is (5) **more comfortable**, but are we (6) **happier**?

The rhythm of life is faster, and (7) **more stressful**. People are always in a hurry. In the end, it is hard to say things were (8) **better** or (9) **worse** before. As the saying goes, "the grass is always (10) **greener** on the other side of the fence."