题目

 While building a tunnel through the mountain, ________ . A. an underground lake was discovered   B. there was an underground lake discovered C. a lake was discovered underground    D. the workers discovered an underground lake 答案：D 请给下列加粗字注音。 磬（　　）口　　脂粉奁（　　）　　朔（　　）方　　凛冽（　　）