After the 5-hour long journey, all the tourists were_____and desperate to have a good rest．
| A．turned out | B．given out | C．run out | D．burnt out |
It’s unimaginable that such a top student as Janecheat in the exam.
| A．should | B．may | C．can | D．might |
Now the Internet is a popular channelthe public voice their opinions and show their strength.
| A．by that | B．through which | C．through that | D．by which |
Since the opening and reform policy, Chinaa boom in its economy.
| A．enjoys | B．has been enjoying | C．enjoyed | D．having enjoyed |
private cars are bringing us convenience, they may also cause traffic accidents and pollution.
| A．When | B．Since | C．while | D．As |
Nowadays, many people walk to work, Copenhagen（哥本哈根）Conference calling for living a low-carbon life to cope with global warming.
| A．in relation to | B．in terms of | C．in apposition to | D．in response to |