Liu Xiang achieved his __________ to become the first man to cover the 110-meter hurdles in less than 12.91 seconds.
| A．ambition | B．graduation | C．assistance | D．encouragement |
------How far apart do they live?
-----I know, they live in the same neighbourhood．
| A．As long as | B．As tar as | C．As well as | D．As often as |
Sean’s strong love for his country is _____ in his recently published poems.
| A．relieved | B．reflected | C．responded | D．recovered |
Scientists believe native Americans arrived by crossing the land bridge that connected Siberia(西伯利亚)and more than 10，000 years ago．
| A．this is Alaska | B．Alaska is now | C．is now Alaska | D．what is now Alaska |
------Are you satisfied with the result?
-----Not at all．It couldn’t be.
| A．any worse | B．any better | C．good | D．bad |
The thief broke in, trying to open the safe, but ___________.
| A．in no way | B．in vain | C．without effect | D．at a loss |