My dream is to be an computer engineeer,so I work on my computer for more than____ hour every day.

问题描述:

My dream is to be an computer engineeer,so I work on my computer for more than____ hour every day.
用不定冠词.

anan用在以元音字母(a,e,i,o,u)开头,或以不发音的h字母开头的单词前面:例如:an apple一个苹果an island一个岛an uncle一位大叔 an onion一个洋葱 an egg一个鸡蛋...