31.   When she retired, she did a lot of voluntary work for the Red Cross.

32.   Women do a lot of unpaid work in the home - significantly more than men.

33.   I have to do a lot of marking tonight.

34.   We did a lot of role playing.

35.   I did a lot of the decorating myself.

36.   He has done a lot of reading on this subject.

37.   She can do a lot with unpromising material.

38.   He does a lot of gaming online.

39.   You have done a lot in a short space of time.

40.   The band does a lot of sampling.