Tom has just arrived,but I didn't know he ___ until yesterday.(come)时态填空.答案是would come,请问为什么

Tom has just arrived,but I didn't know he ___ until yesterday.(come)时态填空.答案是would come,请问为什么 My have just has arrived at Shanghai.哪里错了? My father just has arrived at Shanghai 哪里错了? My fathet just has arrived at shanghai 改错题 He said he has just arrived in China .改错? He said he has just arrived in China .改错? jimmy has just arrived in norway.变成反义疑问句 she has just arrived ------USA.用from还是 in? 请问是She has arrived there just now ?还是She arrived there just now? 请说明理由 Tom has bought a new car just now.改错. 改错： He has met Tom just now为什么? --The train has just arrived.--Really?i have waited forone hour. He says he's just arrived in Scotland.he's=he has? The secretary said to us,Mr.Green has just arrived. 直接引语变间接引语 the Blacks ______their new house on the small island.A.has just arrived inB.has just arrivedC.have just get toD.have just arrived at为什么要选D?不可以是C么? Unfortunately when I arrived she____,so we only had time for a few words.A just leftB has just left C was just leaving D had just left Mr. Jones has just arrived, but he talk as ifhe ___everything here.a.will knowb.has knownc.knewd.know Henry said that the new machine______and asked where he should put it.(2 分)A.just arrivedB.will arriveC.has just arrivedD.had just arrived