The Roman alphabet is a Greek invention, ______ is the marathon, a long distance race created in honour of a Greek soldier.
| A．which | B．what | C．that | D．as |
---Will you come over to Beijing for the may Day holiday?
---I’d like to, but my family__________the 2010 World Expo in Shanghai during the holiday.
| A．are visiting | B．are to visit | C．will be visiting | D．will visit |
The problem of the present world is that those who are imaginative have little experience
__________those who are experienced have weak imagination.
| A．unless | B．although | C．because | D．while |
Schools across China are expected to hire 50,000 college graduates this year as short-term teachers __________increase job opportunities.
| A．help | B．to have helped | C．to help | D．having helped |
The get-together after tem years of separation should be a（n）__________of excitement, but the old friends could not feel real joy.
| A．situation | B．occasion | C．atmosphere | D．condition |
Economy should be developed to raise people’s living standard.__________, effective measures should be taken to deal with different types of pollution caused by the economic development.
| A．Moreover | B．Therefore | C．Meanwhile | D．Otherwise |