THE LITTLE BOY WORTE ____"U" AND _____"n" ON THE BLACKBOARD

THE LITTLE BOY WORTE ____"U" AND _____"n" ON THE BLACKBOARD
A A,AN B AN,A C AN,AN D A,A

选A
单词中小学说看元音字母aeiou开头选An,但是中学会说应该是元音音节开头是an,比如hour,h不发音,开头音节是原因的所以是an hour
又如university虽然是u开头,但是他发的是[j]（好像这么写）,不是元音音节开头,故为a university
具体的音标你在看看吧