Our country isnearly________years old. We'll celebrate its________birthday on October 1, 2019around the country.
句意：我们的国家将近70岁了，全国将在2019年10月1日庆祝它的70岁生日。
seventy七十，基数词；seventieth第七十，序数词。根据句意可知，第一句话表示“…岁”，应用基数词；第二句话表示“…岁生日”，应用序数词。故应选B。
Our country isnearly________years old. We'll celebrate its________birthday on October 1, 2019around the country.
Today is my littlebrother's ________ birthday, so I put________candles in the cake.
My grandparents live inan old apartment with ________ floors and they are on the ________ floor.
He got ________ birthdaycakes on his ________ birthday.
We are preparingprograms to celebrate our country’s ________ birthday.
—I like number “9” best,because I think it stands for “long lasting”.
—Me too. So I chose ________ floor to live on.
Please pass me_________book on the right.
— What did the teachersay?
—He told us to go over__________lessons.
Jack is going to be anolder brother. His parents are planning to have their________child.
The new bridge is________ metres long.
