1 Look again at the table in exercise 1. Calculate the average speed of Gollob, Olsen
and Crump, in m/s.
2 Now calculate the average speed of all the
riders in km/h.​

1. 'If you (c) touch that plate, you'll burn your fingers.' 'Why? Has it been in the oven?'

2. '(c) Unless you're busy, we'll talk now.' That's fine. I'm not busy at the moment.'

3. 'If you watch the news, you (a) learn a lot.' 'I know. I watch it every day.'

4. '(b) Providing you wear warm clothes, you won't get cold.' 'I'll wear an extra jumper.'

5. 'Shall I invite John to the party?' 'Well, were I you, I (a) would invite him.'

6. (c) Supposing the teacher comes back now, what will you do?' 'I don't know.'

7. 'Could I see the menu, please?' 'Yes, sir. If you (a) take a seat, I will fetch it for you.'

8. 'Don't cry. Everything will be alright.' 'Yes, but if I (b) hadn't missed the bus, I wouldn't have been late for school.'

9. 'When water boils, it (c) produces steam.' 'Yes, I know; and the steam is hot, too.'

10. 'Can you help me, please?' 'Well, if I wasn't studying, I (a) would help you.'

1. 'If you (c) touch that plate, you'll burn your fingers.' 'Why? Has it been in the oven?'

2. '(c) Unless you're busy, we'll talk now.' That's fine. I'm not busy at the moment.'

3. 'If you watch the news, you (a) learn a lot.' 'I know. I watch it every day.'

4. '(b) Providing you wear warm clothes, you won't get cold.' 'I'll wear an extra jumper.'

5. 'Shall I invite John to the party?' 'Well, were I you, I (a) would invite him.'

6. (c) Supposing the teacher comes back now, what will you do?' 'I don't know.'

7. 'Could I see the menu, please?' 'Yes, sir. If you (a) take a seat, I will fetch it for you.'

8. 'Don't cry. Everything will be alright.' 'Yes, but if I (b) hadn't missed the bus, I wouldn't have been late for school.'

9. 'When water boils, it (c) produces steam.' 'Yes, I know; and the steam is hot, too.'

10. 'Can you help me, please?' 'Well, if I wasn't studying, I (a) would help you.'