根据句意及首字母或汉语提示完成单词。
【小题1】Edison was a great i________ in the world.
【小题2】—How much is the book?
—Twenty d_________.
【小题3】Sally was b______ in a small town in London.
【小题4】There are two __________(笔记本)on the desk.
【小题5】My father bought an ______________(百科全书)for me yesterday.