颜色词汇：red, yellow, blue等 — 英语填空题
题目
根据提示写出颜色单词（每空一词）。1. The sky (天空) is not green. It is not red. What colour is it? It is ___. 2. A banana is not blue. Its colour is the same as the sun. It is ___. 3. The stars on China's flag (中国国旗) are yellow, but the flag itself is not yellow or blue. It is ___.