Ex1: Choose the best answer, using conditional sentences. 1. I’ll be in trouble if I _________my passport. A. lost B. will lose C. lose D. would lose 2. If it is raining this evening, I___________. A. will go out B. don’t go out C. go out D. won’t go out 3. If he ___________ hard today, can he have a holiday tomorrow? A. works B. will work C. worked D. would work 4. If you are busy, we ___________ this by ourselves. A. will do B. did C. would do D. doing 5. If it ___________ tomorrow, we may postpone going. A. rains B. will rain C. shall rain D. raining 6. Unless you _________ all of my questions, I can’t do anything to help you. A. answered B. answer C. would answer D. are answering 7. I’ll give you a call if I ___________ some help tomorrow.” A. will need B. need C. would need D. needed 8. Will you be angry if I ___________ your pocket dictionary? A. stole B. have stolen C. were to steal D. steal 9. If you press that button what ___________? A. happen B. happened C. will happen D. would happen