—–David,howoldisyourfatherthisyear?—–

问题详情：

 —–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

【回答】

C

知识点：数词

题型：选择题