private cars are bringing us convenience, they may also cause traffic accidents and pollution.
| A．When | B．Since | C．while | D．As |
Chinese President Xi Jinping appeared at the Sochi Olympic opening ceremony, ______ China’s strong support for the Olympics and Russia’s efforts to host the Games.
| A．signing | B．symbolizing | C．sponsoring | D．signaling |
She has expressed her hope ______ the foreign students will spread the good will and sincerity of the Chinese people to other parts of the world.
| A．that | B．which | C．whether | D．what |
There is still much to discuss. We shall, ______ , return to this issue at our next meeting.
| A．however | B．otherwise | C．therefore | D．instead |
— I ______ the chance to apply for the new post. What do you think?
— I think you should go for it. We’ll all back you up.
| A．have given | B．am given | C．have been given | D．was given |
Since Malaysia Airlines MH370 Flight ______ happened on March 8th, it has aroused a widespread concern around the world.
| A．Issue | B．Affair | C．Event | D．Incident |