- 试题详情及答案解析
- He was sitting on the floor ________ by books.
| A．surrounded | B．surrounding |
| C．surroundings | D．surround |
- 答案：A
- 试题分析：句意：他坐在地板上周围围满了书。A．surrounded过去分词表示被动完成 B．surrounding 现在分词表示主动正在进行 C．surroundings 名词环境 D．surround动词原形。主语他和包围是被动关系，故选A。
考点：考查非谓语动词的用法。