Circle the correct option to complete the sentences.
1 She sailed alone across the / - Atlantic Ocean.
2 We don't go to school on- / the Saturdays.
3 Do you think she can play a / the guitar?
4 He went on a summer camp to -/ the Cyprus.
5 Is there the / an aquapark in your town?
6 There is a / the river in our city.
7 The river in London is called - / the Thames.
8 He can play-/ the football very well.
9 They went skiing in the / - Alps.
10 He's a / the very good basketball player.​