V .Open the brackets.
1. If I see them, I (to give) them a lift.
2. I could get a job easily if I (to have) a degree.
3. If she hadn′t slept late, she (not/to miss) the train.
4. Unless I have a quiet room, I (not/to be able) to do my work.
5. If I were you, I (to book) a return ticket.
2.would have
3.would not have missed
4.had not able
5.would book