難度:★    考點:代詞的使用
	
	  1. As volunteers, they should do ______to help the children in trouble.
	
	  A. nothing                              B. anybody
	
	  C. something                            D. somebody
	
	  2. There are many flowers and trees on ______sides of the Century Road.
	
	  A. each              B. every            C. both D. all
	
	  3. Lily and her sister look the same. I can't tell one from_______.
	
	  A.other   B.another    C. the other    D. others
        
