题目

— I can't think why he_____ so angry. I meant no offence.—It's typical of him to be sensitive. A . should have been B . must have been C . might have been D . can have been 答案：A妈妈带100元到超市购物，买了2千克鸡蛋，单价是每千克6.9元，又买了2箱牛奶，单价是每箱29.8元。（1）买这两样商品，妈妈用去多少元？（2）超市的大米有两种规格的包装，大袋的单价是每袋35.4元，小袋的单价是每袋24.6元。剩下的钱还够买一袋大米吗？能买大袋的还是小袋的？