The pen and the ruler is blue.这句话错在哪里?

Rock is cold enough to rule the world and rule the 用英语回答 What is the difference between rule of law and rule by law? the rule of thumb Rule The World 歌词 Rule the sky是什么 the rule of the game 请翻译：where bending the rule is the rule, follow the rule和obey the rule有什么区别? HOW much the red pen and the blue ruler填空 a book is {}the pencil and the pen.空里填什么? evrtybody must obey the rule That is the rule,though. not to break the rule The golden rule的来源 S,please remember the rule 求《Rule the world》歌词 用“break the rule”造句 work out the rule是什么意思