what's up的's是is还是was?请知道的高手说清楚依据……O(∩_∩)O谢谢

what's up的's是is还是was?请知道的高手说清楚依据……O(∩_∩)O谢谢 请问 What's up 是What is up what's the best gift you have ever received中的what's 是what is 还是what was ①what's the time?的be动词是is还是was?②what's the time?①what's the time?的be动词是is还是was?②what's the time?和what time?有什么不同?③what time能不能等于what time is it?④what day is today?能不能等于what d what's gotten into him 中'S指的是is还是has,还有was和is是不是都可以简写成'S What's up?What's up? Someone is c____. what is what's up means? ……and that's what I was doing when Charlie came home.此处’s是is还是was?was可以缩写为’s吗? what's happened 中的“s”是has吗?还是is?还是was?还是什么?what's happened和what happened有区别吗?如果别人问what's happened应该怎么回答?问what happened又该怎么回答? what's more和what's up的what’s是缩写吗 what's up的意思 what's UP 的意思 What’s up?的意思 What's up的回答 He's worried now中's是was的缩写还是is的缩 I didn`t know what was the matter还是I didn`t know whatt he matter was关于what`s wrong what`s up？what`s the matter?what`s your trouble?在宾语从句中应如何运用， You look so tired.What's up?I ( ) my computer all the aftermoon.But is still doesn't work.填have been repairing还是was repairing?求解释 what's this?的答案是this is a.还是it's a.如题