The second Sunday of May is Mother’s Day. It’s special day for children to show their lov

问题补充：

The second Sunday of May is Mother’s Day. It’s special day for children to show their love for their mothers.

A. a；the

B. the；a

C. 不填；a

D. 不填；the

答案：

A. a；the

B. the；a

(答案→)C. 不填；a

D. 不填；the

解析：Mother’s Day为专有名词前不用冠词；第二空泛指用不定冠词。 “五月的第二个周日是母亲节，这是一个孩子向妈妈表达爱的特别日子”