The representative grottos were the Mogao Grottos in Dunhuang，the grottos on Maiji Mountain in Tianshui， the Yungang Grottos in Dalian， the Longmen Grottos in Luoyang and the Qixia Hill Grottos in Nanjing.
A.正确
B.错误
正确答案：错误
The representative grottos were the Mogao Grottos in Dunhuang，the grottos on Maiji Mountain in Tianshui， the Yungang Grottos in Dalian， the Longmen Grottos in Luoyang and the Qixia Hill Grottos in Nanjing.
A.正确
B.错误
正确答案：错误