青书学堂: (2). In ancient times empires and civilizations grew up near ______.( )
举一反三
- In ancient times empires and civilizations grew up near ______. A: nature B: dams C: rivers D: buildings
- 青书学堂: (7). (填空题) I’ve wound up the clock so many times ； it’s become a ______.
- ___________ the house A: ancient times B: crop up C: as apposed to D: keep an eye on
- China is one of the four ancient civilizations in the world.
- 中国大学MOOC: The four ancient civilizations refer to ___________,___________,___________, and___________.