问题
选择题
The city has 70-year history. [ ]
A. 70 year history
B. 70 years history
C. 70 year's history
D. 70 years' history
答案
答案:D
The city has 70-year history. [ ]
A. 70 year history
B. 70 years history
C. 70 year's history
D. 70 years' history
答案:D