They were cutting trees变被动语态

They were cutting trees变被动语态 At this time yesterday my neighbors____grass in the garden.A.are cutting B.were cutting C.were cutting D.cut cutting cutting They were cutting trees on the hill at 10:00 yesterday morning 改为否定句1.They were cutting trees on the hill at 10:00 yesterday morning （改为否定句） They ____cutting trees on the hill at 10：00 yesterday morning 2.Mrs.Smith was washi TR 英语翻译Considerable research studies were carried out to investigate the laser heating process.The analysis of acoustic sensing for laser grooving and cutting was carried out by Sheng and Chryssolouris .They introduced the process control scheme Where were they?翻译 THEY WERE THERE怎么样 They were young,then. When they were they were worried是什么意思? they were young ,then . They were there____Australia___September be They were headed. were they young yes ,they were./no,they weren't . They were singing while we were dancing. 英语翻译Johnny lived in a house next to a fire station.One day Johnny and his dog were playing outside.They saw the fighters come out of the fire station.They saw the fire fighters jump on a fire truck.The dog jumped on fire truck,too.The fire tr