2, it is a holiday that i need
3, it is the window unlocked when Peter left
4, It is the enviroment that they are destroying
5, it is the novel that david read in the evening
6, it is the house that the fireman warned him not to re enter
7, it is a doctor that she advised me to see
8, it is the strike that the manager claimed was over
9, it is Helen, whom Mary invited to lunch on Sunday
10, It is the house that i was born