1 . Turn off all lights and you will not pay more money. If ............................................ 2. Unless she wears warm clothes, she will have a cold. If ............................................ 3 . Be careful or you may have an accident If ............................................ 4. Phone your parents or you have a trouble. If ............................................ 5. Unless she whispers, everyone knows what she is saying. If ............................................ 6. Stay here and you will feel save. If ............................................ 7. Pay electricity bill today or your electricity will be cut off. If ............................................ 8. Stop smoking other wise your cough may be worse. If ............................................ 9. Unless we useless fossil fuel, they will be run out soon. If ............................................ 10. Unless it stops raining today, we may be faced with a serious flood If ............................................ Mong m.n giúp em !