who's barking?

who's barking? barking bark是名词那barking 为什么是the dogs barking 而不是the dogs bark? bark是名词那barking 呢?we can hear bettys dogs barking .为什么是 barking 而不是bark?刚才打错了... who's, Last night,a fire broke out in Ann's house in Manchester.Ann's 21 were out of town for the weekend when something wrong in the room caused the fire to start in the middle of the night.The 22 was waken up by the family dog,Danny,who was barking loudly a barking dog(2) A Barking Dog Dad:My dear,let’s go out for a walk.Son:Great.( On their way,a dog is barking nearby.) Son:Oh,help!A dog is over there.Dad:Don’t be afraid,Tom.Don’t you know the proverb（谚语）”A barking(咆哮的) dog does The dog is barking.对“barking提问 Who's who?怎么翻译? Who's who of who 啥意思 Barking dogs don’t a barking dog barking dog seldom bite barking什么意思 who's中文翻译是什么? who's完全形式 who's that gril Who’s that