The volleyball match will be put off if it _____.
| A．will rain | B．rains | C．rained | D．is raining |
I’m afraid that your arrival at present is not quite _________, depending on the embarrassed situation here.
| A．in practice | B．in demand | C．in place | D．in order |
An interesting suggestion for measuring the atmosphere around Mars has been _________, thus leading a heated discussion among the scientists.
| A．come up | B．put forward | C．swept up | D．accused of |
This extra effort makes a lasting _________, the kind that often results in some fortune with extra business.
| A．conflict | B．process | C．representative | D．impression |
Speaking of Utopia, a popular explanation is that it’s an ideal world, or a perfect final _________.
| A．settlement | B．motivation | C．profession | D．dilemma |
In high pace of life, we can see a _________ flow of cars running in the streets, high ways and subways every day.
| A．mild | B．rough | C．temporary | D．constant |