Here are the answers:
1 One great problem for prison inmates,
who spend most of their time locked up, is how to develop self-esteem and find a purpose to their days. One idea,
which has been piloted at a prison in Washington, US, is to get the inmates to train dogs
that will eventually help disabled people. The project has been a great success. The realionship between the inmates and the warders
who work at the prison has improved considerably. Many of the inmates,
when they leave the prison, go on to work with animals.
In another scheme, Pilot Dogs, a company
which trains dogs for the blind in Ohio, US, put five dogs intothe hands of prison inmates,
who trained the dogs succesfully.
2 1 I tried on ten pairs of shoes,
of which one pair fitted me perfectly.
2 She called her classmates,
none of whom had done the homework.
3 We founfd two good candidates,
either of whom could have done the job.
4 wer test-drove six cars,
all of which cost over $20,000.
5 Sixteen people came camping with us in 2006,
some of whom returned the following year.
6 I worked with the two children,
neither of whom spoke any English.
3 1 to say 2 to think 3 speaking 4 to lock 5 to tell 6 to talk 7 drinking 8 to become
4 1 as 2 large 3 deal 4 approximately 5 virtually 6 precisely 7 maximum 8 well 9 much 10 none
