when was the machine produced

when was the machine produced 帮我 看看这句话有误不?when i washed the closhes this washing machine was sending up very terrible noise when the boy was the lost of machine was reduced by 20 percent Who designed the machine?改同意句是Who is the designer of the machine?还是Who was the designer of the machine? 英语翻译Historically,this novel principle first came into being here in the United States in 1920,when Frederick Taylor supoortsd the idea of grouping that required special operations.He was followed by the Jones and Lamson Machine Company in the i was disappointed to see the machine go wrong ,to see the machine go wrong 在句中作什么成分呐 when was the book published? when was the car invented when was the birthday party when was the meal?意识 用适当的形式：The machine switches __(it) off when the process is complete the computer began only as a machine that was used for calculating句型转换 the computer began only asa machine that was used for calculating的转换 关于一句英语Work was came to a halt when the machine broke down.我想请问,为什么不是come!而是came呢如果是被动，不是应该过去分词吗？那怎么可能是came呢？ 新概念第55课的一个问题,请朋友们指点下,the leader of the party was examining the soil near the entrance to the cave when the machine showed that there was gold under the ground.请问这里的near是什么词性?怎么连接the soil a new machine called the revealer has been invented.请机器不是被叫作吗,那不是应该a new machine was called吗,为什么没有was, 英语翻译:当机器工作的时候 为when the machine working , when you buy a new machine,you must read the i___ first.