why is she leaving?-well,it is pretty ,isnt it?

why is she leaving?-well,it is pretty ,isnt it? Is it 【】she is leaving Wuhan for Beijing? It is pretty well understood____controls the flow of carbon It is pretty well understood ___controls the flow of carbon It seems that she is pretty=She seem it is pretty,is not it? It seems that she is pretty 同意句 how is it going 答语是pretty good 还是pretty well it is pretty crucial解释 why it is 还是why is it it pretty much is what it It is well