when did they （）?an hour ago .我知道得填一个不及物动词老师的答案是arrive.可是我觉得get也是不及物为什么不能填呢?

When did they（ start） the factory?同义句 改错:When did they arrive Beijing?如题 改错:When did they arrive Beijing?改错:When did they arrive Beijing? When did they get to Guangzhou? When did they arrive ( ) the airport When did they get to Guangzhou? when did they grow vegetable 被动句 They did their homework ____(quiet) just now.My mum ____(write) an e-mail when I came homeyesterday. I （like） these books very much.when were they（ bought）为什么可以这样填空?为什么是“when were they（ bought）”而不是“when did they bought? 英语强人快进啊~When did they reach?如果不可以,when did they arrive呢? when did they （）?an hour ago .我知道得填一个不及物动词老师的答案是arrive.可是我觉得get也是不及物为什么不能填呢? 英语翻译It's1997.When did you paint this room?(last year) It's 5th January.When did she meet him?(two months ago) It's a quarter past eleven.When did they arrive?(half an hour ago) It's Sunday .When did he lose his pen?(yesterday) They have painted the door already.(改为被动语态)When did they build他和house?（改为被动语态） They were all wet when they arrived at school.:Were they?Did they? （ ）that they had made an important discovery in science Little they realizedThey had realized little Little did they realize Little had they realized能详细解答吗？ Did you know ____Beijing?------Next FridayA.when will they visit B.when they visited C.when they will visit D.what did they visit when did they come?-___?___ last sunday When did they build the house?改被动 When did they invent the plane?改为被动语态.