The construction of the Great Wall took more than_________ and involved ________ .
A: 20 states
B: 19 dynasties
C: 1000 years
D: 2000 years
A: 20 states
B: 19 dynasties
C: 1000 years
D: 2000 years
举一反三
- The construction of the Great Wall took more than 2000 years and involved 19 states.
- The construction of the Great Wall took more than_________ and involved ________ .
- With a history of more than 2000 years, the Great Wall was originally built for military purpose.
- The construction of the Great Wall involved 19 states.
- The view that human brain is the source of human language and cognition goes back ______. A: less than 1000 years B: over 2000 years C: less than 2000 years D: over 3000 years