第37题: [单项选择]Mary will not be able to come to the birthday party as she is ______ with a cold. A. laid aside B. laid by C. laid up D. laid down 参考答案:C 答案解析:短语动词辨析题。选项[C]lay up意为“因痛(或伤残)卧床”,常用被动语态,所以为正确答案。选项[A]lay aside意为“放弃,抛弃”;选项[B]lay by意为“储存”;选项[D]lay d