Couldn't have this conversation down at the truck huh?怎么翻译?have down 是说定的意思吗?

I didn’t see her in the meeting-room this morning.She____at the meeting. （d） A.mustn’t have spoken B.shoudn’t have spoken C.needn’t have spoken D.couldn’t have spoken can’t / couldn’t have --This is for you.--You ____ have!I don't know how to thank you.A.mustn't B.couldn't C.needn't D.shouldn't答案是D.为什么不选择C呢? 1.everyone can have a piece of meat,( A.couldn’s everyone B.can't they C.can't it D.can't she1.everyone can have a piece of meat,( A.couldn’s everyone B.can't they C.can't it D.can't she2——.Is this your son's sweater?——NO.（）is on the --This is for you.--You ____ have!I don't know how to thank you.A.mustn't B.couldn't C.needn't D.shouldn't答案是3.why? He couldn't have done this怎么改被动语态啊 couldn't have done和couldn't do的区别 the ground isn't wet,it -----last night A can't have rained B couldn't have rained C couldn't rain为啥 ----Could you please come to the museum with me this afternoon?----Sorry,I____.I have to take a piano lesson at 2:00 pm.A couldn't B mustn't C can't D needn't 选择 带上理由 1 Let's move the stone away,or there-----an accident A may have Bmay be A不可以吗?2,I didn't see her in the meeting room this morning.She-----at the meeting A mustn't have spoke B.shouldn't have C needn't have spoken D couldn't have spoken 3,John Couldn't have this conversation down at the truck huh?怎么翻译?have down 是说定的意思吗? the movie bored me to death.Iwish I______to it.a.hadn't gone b.didn't go c.couldn't have gone d.couldn't go My friend lent me some money otherwise I__the train ticket yesterdayAdon't afford B didn't afford C couldn''t afford D couldn''t have afford I couldn’t have said it better. they couldn't have done better是什么意思 i couldn't have enjoyed any more I didn't see her in the meeting-room this morning.she(couldn't have spoken) at the meeting我觉得应该是：mustn't have spoken 英语翻译A couldn't die B would have died C died D had died