The key answer of exercise 6

a)

1. people who make statements that are too general and do not consider all the facts
2. people who argue about small, unimportant details
3. people who worry excessively about plans
4. people who leave doing their work until the last minute before it needs to be finished.
5. regain your energy / strength
6. furniture that you can buy in warehouses which you unpack and assemble yourself at home.

b)

1. b
2. c
3. b
4. c