- 试题详情及答案解析
- I a report about the air pollution in my hometown all the morning and haven’t finished it yet.
| A．wrote | B．have been writing |
| C．was writing | D．have written |
- 答案：B
- 试题分析：考查时态。由句中的all the morning和finished it yet.可知我一直在忙于这个报告，have been doing表示从过去一直持续到现在的动作。句意：我整个早上都在写关于我家乡空气污染的报告，至今还未完成。故选B
考点：考查时态