October 1 is the 61stof the People’s Republic of China.A. dayB. festivalC. yearD. an

问题补充：

October 1, is the 61stof the People’s Republic of China.

A. day

B. festival

C. year

D. anniversary

答案：

A. day

B. festival

C. year

(答案→)D. anniversary

解析： 本题考查名词。day天；festival节日；year年；anniversary周年。句意：10月1日是中华人民共和国61周年纪念日。