Who invented Chinese chess?Do you know?合并为含宾语从句的复合句

Do you know who invented Chinese chess 中国象棋的来源. Who invented Chinese chess?Do you know?合并为含宾语从句的复合句 who invented the bicycle who first invented TV When were they invented and who invented them?具体看问题.For example :The abacus was invented in the six century by the Chinese.按照这个例句写umbrella binoculars camera bicyle~ Who invented the first telephone? who invented paper in china? Chinese people invented printing 中文的意思 Chinese people invented important things的意思 “Chinese people invented paper.”的中文是什么? who invented the first steam engine?翻译 who invented the first steam engine. Who invented the first steam engine? who invented tea?改为被动语态 Who invented it? 改成被动语态~ _The___abacus was invented by Chinese centuries 为什么填the? The paper was invented many c_______ ago by ancient Chinese. It is b_____ that ancient Chinese invented power.