- 试题详情及答案解析
- The small boy didn’t know____waiting for.
| A．whom they were | B．who were they |
| C．who they are | D．whom were they |
- 答案：A
- 试题分析：句意:这个小男孩不知道他们在等谁。whom they were waiting for 他们在等谁；who were they他们是谁，语序不对；who they are 他们是谁，不符合句意；whom were they语序不对。根据句意可知选A。
考点：考查宾语从句。