1. b
Unless the train leaves within five minutes, we'll never get to the meeting.
2. d
Unless alternative sources of funding are found, the research will not be able to continue.
3. c
Unless the roads have changed in that part of town, I'm sure I'll be able to find my way there.
4. a
Unless the weather starts improving soon, the farmers will lose their crops.
5. e
Unless it is ridiculously expensive, I think I'll buy that painting.
6. f
Unless you have been unemployed for six months, you are not entitled to state benefit.
