Complete the sentences of he verbs in brackets. 1. They
(travel) around the world for 3months.
2. Tanya
(play) the piano since she started school
3. We... ... ... (study) history for two hours.
4.1 (wait for a bus for half an hour.
5. Patrick and Lisa (live) in London since June.
6. they ... (make) sandwiches since 2 o'clock.
1 have been travelling
2 has been playing
3 have been studying
4 have been waiting
5 have been living
6 have been making