B we don't need to hurry c you must't lose them d you needn't wait for me
e You musn't forget to turn the lights off f but I don't need to call him
exercice 2 c we needn't reserve d I have to work.... e you must tell me
f you musn't tell..Susan.... g I must hurry h we don't have to decide now
i we musn't forget to buy....