I regret not having accepted your advice. 我后悔没听你的劝告。Have you finished painting the windows?窗子漆好了没有?Would you mind shutting the door?劳驾把门关上好吗?I prefer walking to cycling. 我情愿走路,不愿骑车。She found it useless arguing with him. 她发现和他争论没有用。