task 1 a library want to improve their services.you are a user.write a letter to give you suggestion.must include: 1. the library you like 2. the library you don t like 3. your suggestion task 2 some people think that it is more important for a single language as an international offical language. others think that it will make it difficult to identify countries and loss culture. what s your opinion? and show your reason and example .