问题 选择题 看图，选择正确的单词完成句子。( ) 1. It is ___________. A. blue B. yellow( ) 2. They are ___________. A. purpleB. green( ) 3. It is ___________. A. red B. blue( ) 4. It is ___________. A. blue B. green 答案 1. B 2. B 3. A 4. B
