This is an useful book .You must read it carefully .哪里错了?

问题描述:

This is an useful book .You must read it carefully .哪里错了?

useful [juz]第一个字母发辅音 冠词要用a

useful 第一个字母发辅音 冠词要用a

如果帮到你,请记得采纳,O(∩_∩)O谢谢

an 改为 a .因为useful是辅音开头的单词.