- 试题详情及答案解析
- ________ Sunday morning, he cleaned his room. _______ the afternoon, he did his homework. __________ night, he watched Olympic Games.
| A．On; On; On | B．On; In; At |
| C．On; In; In | D．In; In; At |
- 答案：B
- 试题分析: 句意：在星期天上午，他清扫了他的房间，下午他做了作业，晚上，他观看了奥林匹克赛。此题考查介词，在具体的某一天的上午用介词on，在晚上用at，故选B。
考点：考查介词。