Had they known what was coming next,they _ second thoughts答案是might have had.为什么不能用 must have had 猜测他们一定会

Had they known what was coming next,they _ second thoughts答案是might have had.为什么不能用 must have had 猜测他们一定会 英语翻译I'm not sure what others would have done had they known that they wouldn't be here for the tomorrow that we all take for granted. 翻译下面的句子：They had not known each other long before they got married. he and she___each other since they were children,so nobody was surprised to hear they were marriedA knew B have known C had known D were known John and Mary_____each other pretty well before they got married.A.knew B.know C.had known D.have known How long ____each other before they _____ marriedA have they known ,get B did they know ,were going to get C do they known ,are going to get D had they known ,got He shook hands with her as though they had known each other all their lives.英译汉 英语翻译Like a (pit bull),(piranhas) will tear the flesh from your bones.Also,like a (pit bull),they bark,kind of.Scientists had known that (piranha) barked when you pick em up ,carfully of course,but they hadnt known what these sounds are for.So What great scientists do you know?What are they known for?用英文回答。 Tom and Peter had known each other since they were little.Tom and Peter have known each other since they were little.请问两句的分别 求翻译 had tom looked at the price list,he'd have known what to expect They had failed in what they had set out to do为什么要用in What I have known? Jack and Susan ________ each other since they were children,so nobody was surprised to hear that they were married.A.knew B.have known C.had known D.were known What fun they had __(play)football outside just now What had they invited them to do last week? what a wonderful time they had last night改为陈述句 What a wonder time they had last night!(改为陈述句)