8 The invention of __A_wheel is a great contribution to ____man.A the \ B \ \ C a the D \ the请高手给个确切的答案,在讲下其中的语法知识,为什么不选D呢,

re-invention of the THE INVENTION OF SOLITUDE怎么样 Necessity is the mother of invention. THE INVENTION OF SOLITUDE A MEMOIR怎么样 the invention 为什么是Computers are the second most useful invention of the world为什么是invention the most useful invention of all time 是什么意思? the invention of computer was a t______ revolution the invention is very o___ Few people think of it LA INVENCION DE LA SOLEDAD THE INVENTION OF SOLITUDE怎么样 be referred The invention of gunpower is referred to China 中松博士的发明 THE INVENTION OF DRNAKAMATS怎么样 The invention of lights one of the greatest success made by one of the most是不是加复数?Alarm clock is one of the most annoying_________(invention). 上海市首字母短文填空Like the c_,the Internet was a_the greatest invention of the The invention of the camera goes far into the past.昰什麽意思?如题、、、 At the end of the school year ,there is an_ _ _ _ _ _ _ _ _ _ The invention of chopsticks______the wisdom of Chinese ancient peopleA deflectsB reflectsC conflictsD relicts