Defining and non defining relative clauses

TASK. Make up sentences with who, that, where, when, which, why

Yesterday I met my new boss, ............. was very nice.

The house,................ is very big, is also very cold!

City Park, .......... we used to go, has been closed down.

February, ............ is my favourite month, lasts 29 days this year.

That is the man...............  helped me when I fell down in the street.

This is a place, .............I was born

London,..........is the capital of England, is one of the lagest cities in the world

That is the dog...................bit me

This is a dress..............my mother has made for me

I was forty years old, ................I was studying at University

That is the reason...........................I do it.