11.If she doesn’t work harder, she’ll lose her job. ----> Unless……………………………………………………………………… 12.You can use my car, but have to keep it carefully. ----> If ……………………………………………………………………… 13.I don’t finish the work by lunch, so I can’t go home . ----> If ……………………………………………………………………… 14.Keeping calm is the secret of passing your driving test. ----> If ……………………………………………………………………… 15.You must work harder or you won’t pass the exam. ----> Unless……………………………………………………………………… 16. She must apologize to me or I’ll never speak to her again. ----> Unless……………………………………………………………………… 17. I don’t have an umbrella with me and so I get wet. ----> If ……………………………………………………………………… 18. I’ll call the police if you don’t leave me alone. ----> Unless……………………………………………………………………… 19. In the snowy weather we don’t go to school. ----> If ………………………………………………………………………