4. has he解析： hardly 否定词，所以后面用肯定5.didn't.... any longer解析： no longer = not... any longer 不再6. took... to read解析： spend... doing = it takes sb. some time to do sth.in the past few years don't... any longerMy biggest problemworry aboutMore and more.... chatting/ talkingwith*******************************...
