Which sentence best describes most of the playhouses of shakespeare's time?
a.
they were giant square buildings with stages in in front of them.
b.
they were almost-circular buildings with open courtyards in the center.
c.
they were fancy buildings attached to royal residences and palaces.
d.
they were temporary buildings that were torn down as soon as a play's run was over.

the answer to the question is a

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.