The wreckage of something like a jet plain discovered in the heart of the desert is believed ______ a UFO and _______down for reasons still mysterious.
| A．to be; have fallen | B．to have been; to have fallen |
| C．to be; to fall | D．having been; having fallen |
Take an active part in sports or other activities you enjoyyou can meet various
kinds of people.
| A．what | B．when | C．that | D．where |
Be careful about the news on red fire ants— measures to prevent the possible spread of them.
| A．take | B．to take | C．taken | D．taking |
It’s reported that in some families there have been more than one person the Nobel Prize.
| A．received | B．receives | C．receive | D．receiving |
. French President Jacques Chirac met with Chinese President Hu Jintao for talks
deepening their economic ties.
| A．aimed at | B．referred to | C．applying to | D．speaking of |
Beijing expects China’s rich civilizations to ________ the world with a happy surprise at the
opening ceremony of the 2010 Shanghai EXPO.
| A．show | B．attract | C．present | D．perform |