is better,the blue one or the black one?最前面要有一个词?快

It is five o'clock by the blue watch. is better,the blue one or the black one?最前面要有一个词?快 Which shirt should I c------?----I think the light blue one is better. The sky is blue Blue is the Colour the sweater is blue?对blue提间 这里的on是什么意思呢：which coat is better on me,the blue one or the black one? The sky is light blue what the sky is blue THE SKY IS BLUE怎么样 why the sky is blue? Why is the sky blue? blue is the 中文意思 Blue Is The Color 歌词 Blue-is-the-colour是什么意思 Which is（ ）,the blue one or the yellow one?AWhich is（ ）,the blue one or the yellow one?A.good B.bad C.better 请问该选哪个,中文意思是什么? 用better或the best填空：Which coat is ( ) on me,the blue one or the black one?我练习册上的答案是the best, 填空单词（第一字母给出）There are two pens.One is black,the (o )is blue.