题目

____Lily ___Lucy can go with you , because one of them has to stay here to look after their mother A.      Either ; or  B. Neither ; nor  C. Both ; and  D. Not only ; but also 答案：A下列与免疫功能无关的疾病是 [     ]A．系统性红斑狼疮B．红绿色盲C．过敏性鼻炎D．类风湿性关节炎