翻译以下句子。

1. The boy delivers newspapers every morning.

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2. Comrade Yang delivered the opening speech.

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3. She went to a neighboring village to deliver a baby.

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根据翻译,用deliver 完成句子。

4. Some new books _____    to the school.

    某些新书已经被送到学校.

5. The actor _____   his speech in a soft voice yesterday.

    昨天一位演员用他那柔和的声音做了演说.

简答如何运用时间管理策略？