The definite article. Nature

I went sailing around_____Lake Geneva.

They live near _____ Thames.

I've been living in ______ London for six years.

______ Danube runs through many European cities.

_____ Pacific Ocean has many different types of fish.

I love swimming in _____ Mediterranean.

We spent our holiday on the shore of ______ Lake Windermere.

_____ Nile is a very beautiful river.

She stayed in _____ Belgrade for several weeks.

Her husband comes from _____ California.

They crossed _____ Black Sea by boat.

He has always wanted to visit ______ Rome.

She lived in _____ Asia for several years.

I spent a year travelling around ____ Europe.

Her village is near _____ Lake Titicaca.

Would you like to visit ____ South America?