题目

解释下面句中划线的词语。①双腿瘫痪后，我的脾气变得暴怒无常。②后来妹妹告诉我，她常常肝疼得整宿整宿翻来覆去地睡不了觉。③我的回答已经让她喜出望外了。 答案：①气非常恶劣，时常极端愤怒，变化不定。形容人很容易发怒，而且毫无规律。②指来回翻身。③遇到出乎意料的喜事而特别高兴。Mum，you really need to have a rest！You ________in the kitchen ever since you came back home three hours ago.A．had worked? B．were workingC．have been working? D．worked