The Great Wall is more than 6000 li in ( ) .
举一反三
- The Great Wall is more than 6000 li in longing.
- The construction of the Great Wall took more than 2000 years and involved 19 states.
- With a history of more than 2000 years, the Great Wall was originally built for military purpose.
- According to the survey, more than 21,000 kilometers of the Great Wall survive in 15 provincial-level administrative regions across China.
- It is _________since the Great Wall was built. A: more than 2000 years. B: 2000 years. C: less than 2000 years. D: None of above