which one - the red one or the blue one?这里面的横线起什么用?

which one - the red one or the blue one?这里面的横线起什么用? Which is ______,the red one,yellow one or blue one ?(good) S Which one do you like____(good),the red one or the blue noe? --Which do you like,the blue one or the red one?---Either co Which skirt do you like ___ ,the red one or the blue one? which box is () the red one or the white one （ ）pen is yours,the red one or the blue one?括号里应该填什么? ---Which T-shirt do you like better,the blue one or the red Which one______you like,the blue one_____the red one?A.does. which coat looks （）on me,the blue one one or the black one 这里的on是什么意思呢：which coat is better on me,the blue one or the b which is ________,the white shirt or the blue one?