a red and blue sharpener

a blue and red ball a red and blue sharpener red and blue Red And Blue 歌词 a small blue ball 是甚么意思 .and a red and blue sharpener 是甚么意思. Lucy is wearing blue t_____ and a red b_____. Today is a blue shirt and red tie day It is red and blue. 这个and和哪个并列 dyes是动词吧 那不和have 2个动词了?Acids are chemical compounds that,in water solution,have a sharp taste,a corrosive action on metals,and the ability to turn certain blue vegetable dyes red. different between blue litmus and red litmus turn 用法Acids are chemical compounds that,in water solution,have a sharp taste,a corrosive action on metals,and the ability to turn certain blue vegetable dyes red.请问,turn 后面怎么还跟了个dye呢》这时怎么用的饿? Do you have a red pen()a blue pen?but or and The boy_____glasses is my cousin.He____a red T-shirt and a pair of blue jeans. Mike is bike is red and ()is blue.a:my ,b:I,C:her,d:mine. A Look ( ) the rainbow .What ( )( ) it?B It is red ,orange ,( ),green,blue,purple and ( ) their clothes are red and blue（red and blue提问） I have a mouth and sharp _________. which is your pen a .a red one and a blue one b.a red one or a blue one c.the red oneand the blue one d,the red one or the blue one哪个对?请说明理由——