She wears ___ yellow dress sometimes. 用适合的冠词填.

She wears ___ yellow dress sometimes. 用适合的冠词填. she wears formal dress.中的formal dress为什么没有冠词修饰?是没有单复数吗? Is your mother in a red coat?She is _ a yellow dress A.wears she wears a brown dress的同意句 she a 什么 wears a yellow hat She always wears a ___ Mary is short and she wears a red dress.的意思 She wears a long dress so she looks t____and tall She is ____ woman that usually wears a dress.可以用a吗? she wears( a red dress) 对括号内提问 She wears on orange dress.(向划线部分提问） she always wears a red dress and white shoes.