2.Complete the sentences using the correct relative pronoun or relative adverb.
17. The girl ... hair is curly is my elder sister.
18. He tried to explain ... he did such a thing.
19.
That's the girl ... lives next door.
20.
That's the man, ... house has burned down.
1066 was the year ... William the Conqueror
came to England.
22. This is the skate-park people come to
skateboard.
21.