Question

－How was your day off yesterday?
－Perfect! It was ____ birthday of my grandpa’s . We had a big family celebration.
A. seventy    B. seventieth    C. the seventieth 

Answer 1

C

考查序數(shù)詞。我爺爺七十歲的生日，“七十”要用序數(shù)詞形式，在表述時前面加”the”
表示“第七十”的意思。