Complete the sentences with WHOSE, WHO or WHOM as appropriate

Enter your answers in the gaps. When you have entered all the answers, click on the "Check" button.

E.g.	A pacifist is a person who believes violence is wrong.
1	This school is not only for children first language is French.
2	I don't know the name of the person to I was speaking last night.
3	The US president is the person lives in the White House.
4	A widower is a man wife is dead.
5	I know a couple are going to get married soon.
6	I address this letter to it may concern.
7	She meet a friend sister she went to school with.
8	I don't know key this is.
9	I don't know to this key belongs.
10	I don't know this key belongs to.