There is “s” and “u” in the word “bus”.A. an; aB. an; an C. a; an D. a an

问题补充：

There is “s” and “u” in the word “bus”.

A. an; a

B. an; an

C. a; an

D. a, an

答案：

(答案→)A. an; a

B. an; an

C. a; an

D. a, an

解析：“s”的音标是元音音标开头

“u”的音标是辅音音标开头

故第一个空格填an

第二个空格填a

故选A