1. Listen! She the piano.
a) is playing
b) play
c) is being played
2. He
in a shop every Saturday.
a) is working
b) works
c) has been working
3.1 for half an hour already.
a) am studying
b) study
c) have been studying
4. The plane at 9:30 every day.
a) take off
b) takes of
c) is taking off
5. She is writing while her brother a shower.
a) is having
b) has
c) has been having
6. They for the bus for twenty minutes.
a) are waiting
b) wait
c) have been waiting​