英语被动式 介词Printing was invented in China . printing前有必要加冠词吗? in可不可以换成by? on 可不可以换成into mechine?

英语被动式 介词Printing was invented in China . printing前有必要加冠词吗? in可不可以换成by? on 可不可以换成into mechine? 英语被动式的用法 英语 被动式新概念二---lesson 44中,the strap broke and,with the bag in their possession.这里为什么不用被动式“the strap was broken 英语被动式的所有知识 英语动词被动式和过去式怎么区别 一英语阅读Wood-block printing was invented sometime between the 4th and the 7th c_____in China.The earliest book that we have was p_____ in 868 and was found in a Dunhuang cave.Wood-block printing took a long time because a new blockw was needed 英语填介词问题Frank was born ___ German parents. 不及物动词没有被动式,所以后面不加宾语那加介词么? 英语：不及物动词是不是都没有被动式和进行式? 求各位英语大神把各种时态的一般式写出来!各种时态的一般式,进行式,被动式,都写出来吧!可以的话举个例子也不错例如：现在经行时：is/am/are doing 被动式 is being done过去进行时：was/were doing 英语 急 It was very cold.He was shaking all over __________ a leaf.填介词 英语中哪些动词没有被动式?如题 除了come,seem,还有哪些词语没有被动式的?多给一点! Tom was brought to the wizard.是被动式吗?如题 英语翻译请问was carried out是被动式吗，可是我觉得这里用被动式有点不通顺，请问这句话直译过来是怎样的。 英语题（用介词填空1题）用介词at,in,on填空.Was Helen in Shanghai ______ 1999? 英语介词填空 ___ you ___ he was here yesterday.They we英语介词填空___ you ___ he was here yesterday.They were at the cinema. screen printing quadric printing