- 试题详情及答案解析
- Most countries of the world have records of the great natural catastrophes that before.
| A．had occurred | B．have occurred |
| C．occurs | D．would occur |
- 答案：B
- 试题分析：考查时态。have occurred:已经发生，主句是一般现在时，从句发生在主句动作之前，且有before,故用现在完成时。句意：世界上大多数国家都有已经发生的重大自然灾害的记载。故选B
考点：考查时态