There is f and u in the word four.A. an aB. a anC. an anD. a a

问题补充：

There is f and u in the word four.

A. an, a

B. a, an

C. an, an

D. a ,a

答案：

(答案→)A. an, a

B. a, an

C. an, an

D. a ,a

解析：f的首个音标为元音音标，而u的首个音标为辅音音标，故选答案为A