问题
选择题
－How was your day off yesterday?
－Perfect! It was ____ birthday of my grandpa’s . We had a big f
amily celebration.
A. seventy B. seventieth C. the seventieth
答案
答案：C
考查序数词。我爷爷七十岁的生日，“七十”要用序数词形式，在表述时前面加”the”
表示“第七十”的意思。