Obama’s success in presidential election proves that the color of one’s skin shouldn’t be a________to success.

A．barrier? B．behavior

C．battle? D．bunch

Obama’s success in presidential election proves that the color of one's skin shouldn't be a ______ to success.

A. barrier 　　　　 B. behavior　　　　 C. battle　　　　　 D. bunch

Obama’s success in presidential election proves that the color of one’s skin shouldn’t be a ________ to success．

1. A.
   barrier
2. B.
   behavior
3. C.
   battle
4. D.
   bunch

（2011·桂林十八校第一次月考）28. Obama’s success in presidential election proves that the color of one's skin shouldn't be a ______ to success.

A. barrier                     B. behavior                 C. battle                      D. bunch