11.   He did a lot of hunting around here.

12.   He had done a lot of interviews to publicize his new book.

13.   He was likely in a pickle, what with Uncle Dan being ill and just one maid left to do the lot.

14.   I did a lot of drugs when I was at university.

15.   I did a lot of homework when I started working on the script.

16.   I did a lot of sport at school.

17.   I did a lot of work on that book.

18.   I did three lots of exams last summer.

19.   My mother does a lot of fund raising for local charities.

20.   She does a lot of voluntary work for the Red Cross.