1. _____ it might sound, I actually enjoy working on tax returns.

2. We will go ahead with the project _____ the board of directors approves it.

3. _____ he was exhausted, he stayed up late to finish the report.

4. You can take my car _____ you promise to drive carefully.

5. He spoke to me _____ he had known me for years.

6. _____ you have any problems, please don't hesitate to call me.

7. They decided to leave early _____ they would miss the last train.

8. _____ I agree with your goals, I disagree with your methods.

9. The match will be cancelled _____ it stops raining soon.

10. He behaved _____ nothing had happened, which was very strange.

11. _____ the weather improves, we will have to stay indoors.

12. You should take an umbrella _____ it rains later.

13. _____ I'm concerned, the matter is now closed.

14. He took the job _____ the salary was not very high.

15. _____ had we started our picnic than it began to rain.

16. I'll lend you the money _____ you pay me back next month.

17. _____ simple it may look, the technique is quite difficult to master.

18. He was disqualified _____ he had cheated during the exam.

19. _____ he tried, he couldn't open the jammed window.

20. I brought some extra food _____ you get hungry later.

21. _____ I understand his point, I still think he is wrong.

22. They locked the door _____ anyone should enter uninvited.

23. _____ the fact that it was late, they decided to continue the meeting.

24. He resigned _____ he could spend more time with his family.

25. _____ you like it or not, the rules must be followed.