1. Complete the sentences with the correct form of the verds.
Vd:1, I __’ve flown____ ( fly ) in a hot air balloon.
2, He _______________ (swim) with dolphins in the sea
3, I ________________ never _________________ ( visit) the USA.
4, We ___________ (climb) a very high mountain.
5, They ___________ (travel) to lots of different countries.
6, She __________ never ___________ (see) a brown bear in the wild.
3, I ___have____ never ___visited___ ( visit) the USA.
4, We __have climbed___ (climb) a very high mountain.
5, They __have travelled__ (travel) to lots of different countries.
6, She __has__ never ___seen___ (see) a brown bear in the wild.