1. _____ for you, I wouldn't be here now.
2. ______ need me, don't hesitate to phone.
3. ______ for his help, I'd be destitute now.
4. ______ make a mistake, they'd fire me.
5. ______ known, we'd have phoned a party.
6. ________ my best friend, I wouldn't forgive him.
7. Should ______ to phone, tell her I'm not here.
8. Only if he asks _______ tell him about the letter.
9. ________ more careful, he wouldn't be in hospital now.
10. ________ known, Jelena would've helped you out.