11. I wish we … the expedition next week.
a) should start; b) can start; c) could start; d) could have started

12. Providing that you won in a lottery, how … you … the money?
a) will spend; b) would spend; c) will have spent; d) would have spent

13. They would be happy together if she ... so critical.
a) isn't; b) hasn’t been; c) weren't; d) hadn't been

14. If you ... hard, you get tired.
a) work; b) are working; c) will work; d) would work

15. You'll never be fit unless you ... a diet.
a) don't keep; b) keep; c) kept; d) will keep.
16. If I ... you, I wouldn't have followed his advice.
a) am; b) will be; c) were; d) had been

17. The team of scientists could have made a new discovery if their research … well.
a) will finance; b) will be financed; c) was financed; d) had been financed

18. She … her experience if you ask her politely.
a) might share; b) must share; c) had better share; d) needs to share

19. I … the results unless I’ve got a confirmation.
a) doubt; b) doubts; c) will doubt; d) will have doubt

20. Modern science would look differently if Einstein … his theory of relativity.
a) don’t develop; b) didn’t develop; c) doesn’t develop; d) hadn’t developed