He returned from a long journey，________．
| A．exhaust | B．exhausted |
| C．to exhaust | D．exhausting |
The policewoman believes that Derek gave a reasonably _______ account of what had happened to the poor family during the robbery.
| A．informal | B．potential | C．constant | D．accurate |
April 30 , 2010 witnessed the opening ceremony of the Shanghai World Expo, which has greatly China's status in the world．
| A．enlarged | B．inspired | C．promoted | D．encouraged |
. No decision about the holding of the conference until all the related factors have been
taken into consideration．
| A．will be made | B．is made | C．has been made | D．is being made |
. Dr. Frank failed many times but he finally _______ to find a successful way to solve the problem.
| A．broke off | B．broke out | C．broke down | D．broke through |
The bus _______ at 8:30 p.m., so I have to be at the station by 8:10 at the latest.
| A．has left | B．would leave | C．leaves | D．will have left |