用不定代詞other, others, one... the other, each other填空。
1. There are two pictures on the wall. _____________ is the picture of the Great Wall, _____________ is
    the picture of the Summer Palace.
2. My sister bought two dresses for me. _____________ is white, _____________ is yellow.
3. Lily is my sister. I have _____________ sister.
4. Jim and Tom helped _____________.
5. There are many students in the classroom. Some are reading books, _____________ are writing letters.
1. One, the other  2. One, the other  3. other  4. each other  5. others
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