The articles and their use

... dogs are good friends.

... black dog is my neighbor’s.

I have ... good idea! Let's go to the cinema.

I never drink ... coffee.

Pass me .... salt, please.

...salt is not very healthy.

... book you've lent me is very interesting

I bought ... book on History yesterday.

I bought ... book on History I badly needed.

Mice live in ... holes.

The cat was watching ... mouse the near a hole.

The cat which lives in this house hunts ... mice.