Relative clauses.
Задание указано в приложении.

2 Thats the beach where I used to go swimming.
3 Steven lives in Bradford which is in the north of England.
4 July was the month when my sister was born.
5 This is my new coat which I bought in yesterdays sale.
6 This is the factory where my father used to work.
7 Thats the man whose wife is a famous actress.
8 America is the country where the best hamburgers are made.
9 Jo is an actress who has just finished making her first film.
10 Thats the dog which always barks when you approach it.
11 1666 was the year when a great fire destroyed much of London.
12 Christmas is the time when people bu each other presents.
13 Sheena is a pop star who had a hit record last year.
14 Smoking is a bad habit which causes many deaths every year.
15 There are the children whose mother is a policewoman.
16 Thats the hospital where I had an operation.