1．-- Excuse me, sir, smoking in the gas station.
-- Oh, Im really sorry.
A. doesnt allow B. isnt allowed C. arent allowed
2．Have you heard about that car accident near the school?
Yes，luckily no one________．
A．hurt B．was hurt C．has hurt D．were hurt
3．Workers cant be made ________ for twelve hours a day.
A. work B. to work C. working D. worked
4．Each year quite a lot of food ______ around the world. Its really time for us to do something.
A. was wasted B. is wasted C. wasted C. will be wasted
5．Today, computers are really helpful. They ____ everywhere.
A. useB. are usedC. usedD. were used