I'm afraid this painting is not by Picasso. It's only a copy and so it's _____.
| A．priceless | B．invaluable | C．unworthy | D．worthless |
Difficulties and hardships have the best character of the young geologist．
| A．brought in | B．brought out | C．brought up | D．brought about |
----Have you heard of Wang Meng?
----Yeah. She ______ have done better. She won China’s first gold medal at Turin.
| A．should | B．might | C．needn’t | D．couldn’t |
------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 |