You...go now; you can stay a bit longer.
don't have to
You..feed animals at the zoo.
mustn't
You...apologize; it isn't necessary.
don't have to
Coffee is grown/are grown in Brasil and Colombia.
is grown
How many newspapers _____ (print) in Britain every day?
are printed
Angela, you...leave your clothes all over the floor like this.
mustn't
My uncle sold the bicycle.
The bicycle was sold by my uncle.
I...wear a tie; I do it because I like wearing ties.
don't have to
It's forbidden. You...do it!
mustn't
Students...wear uniforms at school.
have to
I...hurry up if I want to be at the office on time.
must
The museum is free. You...pay.
don't have to
I...speak English well. I need it for my job.
have to
El Prado is visit/is visited by hundreds of people every day.
is visited
Do you...work next weekend?
have to
Do people speak English in Hawaii?
Is English spoken in Hawaii?
People export Spanish tortilla to the US.
Spanish tortilla is exported to the US.
You don’t find penguins at the North Pole.
Penguins aren't found at the North Pole.
The Harry Potter films ______ (not direct) by Steven Spielberg.score
were not directed
The royal wedding _____ (watch) by millions of people in 2011.
was watched
How do people make sushi?
How is sushi made?
When did Pasteur discover Penicillin?
When was Penicillin discovered by Pasteur?
Kangaroos aren't found/isn't found in America.
aren't found
German _____ (speak) in Germany, Austria, and part of Switzerland.
is spoken
We...hurry. We have a lot of time.
don't have to
You...put salt in her food; the doctor said she can't eat salt.
mustn't
He didn’t find the book.
The book wasn't found.