问题
单项选择题
My parents moved out of their old home sometime last year after they had celebrated their 50th year there.
A．anniversary
B．years old
C．age
D．wedding
答案
参考答案：A
解析：[分析] 名词辨析。 此句中的year意为“年”，而久anniversary周年纪念(前面需用序数词)； B．years old岁(指年龄)；C．age年龄，使用年限，时代；D．wedding婚礼，婚宴；因此A为答案。