Nói chuyện trong một giờ,mà hour chữ “h” là âm câm nên ta xét chữ “o” là một nguyên âm nên ta dùng an
He is jealous .............. his rival's success.
Mary married a wealthy man. She got married .............. him last June.
I can't get this ring .............. my finger.
I shall wait .............. you.
These goods are free .............. duty.
I have taught English .............. 6 years.
Elizabeth is fond .............. going to dances.
I have twenty students .............. my class.
He wasted little time .............. social formalities.
It was .............. my will.