"这是一个开放的问题。"

翻译:It is an open question.

4 年前

4 条评论


https://www.duolingo.com/JohnsonYang2014

Can you tell me why we should use "an" instead of "a"......

4 年前

https://www.duolingo.com/BlackXHYnight

o is a vowel, so you need use "an", a,e,i,o,u are the vowels in English, sometimes "y" can be a vowel in a word(why shy cry ). If the 1st pronunciation of word is vowel you need use "an",if it's not (university),you need use "a". A university.:)

4 年前

https://www.duolingo.com/JohnsonYang2014

thank you~:)

4 年前

https://www.duolingo.com/BlackXHYnight

Soyez le bienvenu

4 年前
每天 5 分钟就能学英语了!且完全免费!