日期:2024-06-01 
吉林省名校调研系列卷2021年九年级第四次模拟检测英语试题试题详情
Climbing Mount Everest(珠峰) is regarded as one of ____________ problems in the world.
- A、difficult
- B、more difficult
- C、the most difficult
试题所涉知识点
