如何把“U”、“blue”、“letter”、“is”连词成句

this,black,letter,is,and,letter,that,is,blue（连词成句） 英语连词成句this black letter ,is ,and ,letter,that ,is,blue这些怎么连? 把h letter small is that the连词成句 ruler the blue is连词成句? is it blue a flag 连词成句 nine is that dollars bag blue连词成句 blue,is,the,in,sky,picture,2 连词成句 blue pencil his is the 连词成句 连词成句 blue it is white pen a and bag,red,or,is,blue,his连词成句 is cap this a blue.连词成句 how,is,blue,T-shirt,much,this连词成句