helpful inventions and annoying inventions列举各五个

make a list of five helpful inventions and five annoying inventions（翻译成中文） helpful inventions and annoying inventions列举各五个 Of all the inventions,what do you think is ________ invention in the 21st century．A.the most helpful B.more helpful C.helpful D.more and more helpful 英语作文:Computers--one of the most helpful inventions annoying invention和the most helpful inventions的翻译 a helpful side 请以Computers-one of the most helpful inventions为题写一篇英语小短文 要求：1.说说电脑的优点. I think the telephone is the second ___ A.helpful B.more helpful C.most helpful D.the most h...I think the telephone is the second ___A.helpful B.more helpful C.most helpful D.the most helpful so important__ which Edison had given us that we could not live without them.A.the electrical inventions were B.the electrical inventions was C.was the electrical inventions D.were the electrical inventions求详解 a summer bus pass will be helpful is she a helpful girl 的意思 they are a( ) polite and helpful i like to be a helpful A good dictionary is helpful to your English讲一下为什么要填 helpful he is very ( ) me .A helpful to B helping C helpful of 电脑越来越成为人们生活的必需品,请以Computers-one of the most helpful inventions为题写一篇英语小短要求：1.说说电脑的优点及其在人们日常生活和工作中的应用2.80-100词 It is _______to teach a kid the way to solve a problem than tell him the solution directly.A.helpful B.more helpful C.the most helpful be a great help还是 be a great helpful