下列字母的发音中含有元音音素的是________.
My name ______ Wang Lingling.
---Is the library next to the classroom? ---No, ______.
---How many ______ are there?---There are twenty-eight.
.---Mr. Green, what’s your job?---______. I’m in No. 1 Middle School.
This is ______ friend. ______ name is Daming.