The key answer of exercise 8

a)

1. 3
2. 1
3. 6
4. 5
5. 2
6. 4

b)

• make a noise
• do enough exercise
• do more sport
• making decisions
• make a list
• made a mistake
• doing it really well
• done a good job
• done the washing up, the ironing, and the hoovering
• make you a cheese sandwich and (make) a cup of tea
• made billions of dollars

c)

• do: exercise, sport, sth well/badly, your homework
• make: a noise, a decision, a list, a mistake, a sandwich, money