A giant helium(氦) balloon is telling residents of Paris how good or bad the air quality is. When it’s good, the balloon ----measuring 22 meters wide and 32 meters high---shines green. _________, it’s red.
| A．Though terrible | B．Whenever good | C．If worse | D．When bad |
Lin Dan won the first prize in the Beijing Olympics, which helped him gain the ____ of the world.
| A．congratulation | B．appreciation |
| C．admiration | D．administration |
This toy is meant _______ Tom as his birthday present.
| A．to | B．for | C．by | D．With |
Great changes _______ in our hometown since 1980
| A．took place | B．have happened |
| C．has been taken place | D．have taken place |
_______ of fire, ring the alarm bell.
| A．In memory | B．In charge | C．In case | D．In search |
The most energetic and important festivals are _____that look forward to the end of winter and to the coming of spring.l
| A．ones | B．those | C．that | D． It |