. If it _____ sunny, we _______ a picnic. But it is raining now.
| A．had been, could have had | B．were, could have |
| C．had been, had | D．is, could have |
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 |