問題詳情：
根據句意及首字母或漢語提示完成句子
d you like a s________ room or a double room?
2. Knowledge and ideas s________ much faster than before.
3. They are offering free Internet ________ （計算機網絡連接）.
4. A _________ (買賣) in books can make more people learn to read.
5. The i_________ of this kind of machines made it possible to make things quickly.
【回答】
le ad ection e 5. introduction
知識點：單詞拼寫
題型：單詞拼寫
