Public service ads, also PSAs, often _________ for free, _________ to educate people about health, safety or any other problem that affects public welfare.
A．run; meant B．are run; are meant
C．are run; mean D．run; are meant
At the ancient Olympics, all men, ________ had to compete wearing no clothes; while single women took part in their own separate competition, a festival _________Hera, the wife of Zeus.
A．in tradition; in favor of
B．by principle; in celebration of
C．by tradition; in honor of
D．in order; in memory of
--- Why do you think ________ the Eagles went home, angry and bitter?
---_________ they didn’t win the tournament andbecause what mattered to them was victory.
A．was it that; That B．that; For
C．it was that; Because D．that; Because
The small boat was almost sunk by the dinosaurs which suddenly ________ to the surface, fighting each other, but fortunately the three men ________ get away.
A．rose; could B．rose; were able to
C．arose; could have been able to D．raised; could have
_______the virtual world of RealCine, the headsets even have small openings _______ smells to match the environment.
A．Adding to; give out B．Added to; give off
C．To be added to; giving off D．To add to; giving out
______ that after the ash covered the people who failed to flee the city, their bodies nearly completely______ and disappeared, _________ empty spaces in the ash.
A．It turned out; broke down; leaving
B．As turned out; broke up; which left
C．It turned out; broke off; leaving
D．What was turned out was; broke down; left
