—David, how old is your father this year?
— . And we just had a special party for his birthday last weekend.
- A.Fortieth; forty
- B.Forty; forty
- C.Forty; fortieth
- D.Fortieth; fortieth
答案
正确答案:C
知识点:确数

年龄的表达应该是基数词,但当表示某人的多大生日的时候应该是序数词。答案为C。

略
