Complete the sentences with who, which or what.

1 ……………….are you working for now?
2 ……………….' are Paul's parents?' 'The couple near the door.'
3 ……………….living person do you most admire?
4 ' ………………are Tom's parents?' 'They're both teachers.'
5 ……………….of them broke the window?
6 ……………….one of you is Mr Jones?
7………………. else knew of the existence of the plans?
8 ……………….is to blame for wasting so much public money?
9 ………………. knows what will happen next?
10 ………………of the countries voted against sanctions?
11 ………………I know that Judy is an accountant, but is her sister Nancy?