Chuyển các câu sau sang thể bị động.
we do a written test today
=>…A written test is done(by us) today
Everyone always see the Picasso is exhibition .
=>…the Picasso is exhibition always seen (by everyone)
The workers clean the streets everyday.
=>The streets are cleaned by the workers everyday…
careless driving causes many accidents.
=>… many accidents are caused by careless driving
Weeds cover the river bank .
=>…The river bank is covered (by weeds)