1.
Would you complain if the waiter made a mistake with your bill?
What would you do if there were no teachers at school?
If I cycled to work, I could save a lot of money.
I would feel less stressed if I did yoga every day.
I'd take a taxi if I missed the last bus.
If I became rich, I could stop working.
Would you download the film if you found it on the Internet?

b)
1. were, would buy
2. could you work, needed
3. was,I'd complain
4. I could take,wasn't
5. walked, you'd feel
6. stopped, 'd take
7. wouldn't walk, were
8. would you do, lost

2.
a)
1h
2g
3d
4c
5f
6e
7b
8a

b)
1 on
2 off
3round
4like
5up
6in
7after
8on