—Isyouruncleinhis

問題詳情：

—Is your uncle in his _________?        

— Yes. His _________ birthday is coming next month.

A. forty; forty-first              B. forties; forty-first    

C. forties; forty-one             D. forty; forty-first

【回答】

B

知識點：數詞

題型：選擇題