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

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