1、,The four great Inventions,Chinese people _ paper.,invented,_ invented printing.,Chinese,people,Chinese people _ compass.,invented,Chinese people _ gunpowder.,Chinese people_bicycle.,didnt,invent,No, ChinesePeople_ Telephone.,Did Chinese people invent telephone?,didnt,invent,Did Chinese people inven
2、t airplane?,No ,Chinese People didnt invent airplane.,Did Chinese people invent stem engine?,No, Chinese people didnt invent stem engine,Did Chinese people invent the train ?,NO , Chinese people _ _The train.,Did Chinese people invent light bulb?,Do you know who is he ?,No, Chinese people didnt invent light bulb.,Did Chinese people invent auto- mobile ?,No, Chinese people didnt invent automobile.,一般过去时的构成,
