The invention ______ she spent two years will do good to the world.A.which B.that C.on which D.when选什么啊?讲一讲,谢谢!

the invention The computer is ______ useful invention in the modern wored.A.a B.an C.the The scientist made the great invention when he was over seventy.改句意相同The scientist made the great invention ______ his ________. re-invention of the THE INVENTION OF SOLITUDE怎么样 请以I think the most _______ invention is ______为话题写一篇80词左右的短文 comuputers are the second most useful ______ in the world .A invention B inventions.请问,选哪一个?高手指教为盼.在此谢过! The invention ______ she spent two years will do good to the world.A.which B.that C.on which D.when选什么啊?讲一讲,谢谢! What is the easiest invention today? What is the easiest invention today? 猜一猜 what is the easiest invention today? The alarm clock is an a____ invention. the invention that i like开头作文 Necessity is the mother of invention. THE INVENTION OF SOLITUDE A MEMOIR怎么样 The second —— invention is computer Personally I think the ______ Andrew drew from his simple experiment is not scientific. A. conclusion B. decision C. information D. invention 为什么是Computers are the second most useful invention of the world为什么是invention