从A.B.C.D四个选项选出与其它三个所含元音音素不同的一项。
I won’t pass the exam ______I work hard.
I like music that I can dance _______.
In the past the children were made ______15 hours a day.
When I got to school, Amy ______his homework.
Did you see Peter and Mike? No, I saw ______of them.