Fill in articles if necessary.
1. …. Chicago River flows south towards … Gulf of … Mexico.
2. … Panama Canal connects … Atlantic and … Pacific Oceans.
3. … Milky Way is not … only Galaxy in … space.
4. Where are … British Isles situated?
5. ….Russia and … United States are … most advanced space countries.
6. … Volga flows from … Valdai Hills to … Caspian Sea.
7. … Alaska is the biggest state in the … USA.
8. … Moon goes … round … Earth.