题目

Jane's always nervous when she has to make a speech; she must accustom herself to be     when she is with people．     A．at ease     B．in disguise        C．at risk     D．in relief 答案：A15．君君和妈妈去书店买了一些《数学大世界》和《小学生天地》．妈妈付了100元，售货员找回27元，你能判断售货员找回的钱对不对吗？