watching notice observe 区别

watching notice observe 区别 notice notice notice notice notice notice Watching watching watching Did you notice the boy come in?---No,I didn’t because I ___C___a film.A.had watched B.have watched C.was watching D.am watching Did you notice the boy come in No,I didn't because I( ) TV 填空题 A、had watcher B、has startedC、was watching D、am watching急 A:Did you notice him come in?B:No,I____a football game A.have watched B.had watched C.am watching D.was watching (when he was watching) the notice, an idea came to his mind.括号里为何不能用Watching?不是非谓吗? Did you notice him come in?---No.I____a football game.A have watched B had watched C am watching D was watching notice board take notice notice是什么意思?