they arrived just on time.just修饰on time,我有点不明白请指教

they arrived just on time.just修饰on time,我有点不明白请指教 they had arrived just in time 英语翻译then they arrived just when we wanted them. they arrived （ ）london in还是on还是at “They arrived in school gate on time”单句改错咯 are they on the desk just now On a warm spring morning,they arrived in London.请详细解释为什么用On they arrived just before the football match began.=they were __ __ __ __ the football match .__填一词 英语翻译4._____ ten minutes earlier,they would have found a few empty seats on the bus.A.If they arrived B.Had they arrivedC.If they have arrived D.Did they arrived We arrived the day that(on which) they left为什么不是 We arrived on the day?为什么用that就不要介词on了? just arrived out of nowhere 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? They arrived there_____5:00____a cold morning A.at in B.on at C.at on D.on in shouzhimutiankong when the first arrived in the island,they lived mainly on fishing. When the rescue team arrived on the scene,they found _______ wrecked ships. They arrived early___a Tuesday morning. A.on B.at C.in D.of (应选哪一个?） They arrived there on (a/the) cold Sunday morning.填a还是the,为什么, they arrived ( ) a Tuesday morning 括号内用 in 还是 on 原因