下列字母全是元音字母的是:
An earthquake _______at Dachaidan County in Qinghai province on the morning of April18.
No one knows ____________ in fifty years.
There is going to_________ a football game on TV this evening.
My father will be back ______ the morning of May 15.
I don’t know if Mr Wang ________here tomorrow . If he ______ , please tell me.