双基限时练(二十二) unit 6 lesson 4 ⅰ.单词拼写 1．the small ________ (村舍) lies by the river with green trees around it. 答案 cottage 2．it is much convenient to live ________ (在市中心)，but usually it's much more noisy. 答案 downtown 3．my old books are all kept in the ________ (地下室)．答案 basement
