精选优质文档-倾情为你奉上Unit 21 Breakfast Blues早餐忧郁（症）A单词blue 形容词 a. 1. 蓝色的;天蓝色的;青色的 The sky is bright blue. 天空一片蔚蓝。2. 【口】沮丧的,忧郁的F;(脸色)发青的 Cathy felt blue all day. 凯茜整天沮丧着。 名词 n.1. 蓝色;天蓝色 She is dressed in blue. 她穿着蓝色衣服。 2. (美黑人)布鲁斯乐曲P He used to like the blues very much.他过去非常喜爱布鲁斯乐曲。Do 1.做： Do my homework. 2.助动词： Do you go to the park everyday? 遇到He/She/It（三单）要变身成为Does 如：Does He/She/It go to the park everyday? She goes to the park everyday.对比：Be动词（am is a
