1. We (be) _______would be_____ happy if air pollution were the only problem.

2. They would be disappointed if you (not go) _______didn't go______ to their party.

3. If we (use) ___use____ this kind of light bulb, we can save energy.

4. Peter should go to sleep early if he (not want) ________doesn't want____ to be tired the next morning.

5. If you (take) ________took_______ more exercises, you would be more resistant to diseases.

6. You may have car accident unless you (drive) ________drive________ more carefully.

7. If I travel to London, I (visit) ____will visit________ its museum.

8. If they offer me the job, I think I (accept) ________will accept_________ it.

9. Many people (be) ______would be______ out of work if the local factory closed down.

10. What (happen) _________would happen________ if that red button was pressed?

11. I’d be absolutely astonished if Mary and James (get) _____got________ married.

12. They won’t let you in unless you (show) ________show_____them your identity card.

13. My best friend gave me this book. She (be) ______would be__________ very upset if I lost it.

14. Would you mind if I (turn) ________turned_______ up the radio.

15. I’m sure she (forgive) ____.will forgive_____ you if you sincerely apologize to her.

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