【单选题】You should have put the milk in the icebox I expect it ______ undrinkable by now.
【单选题】You should have put the yogurt into the fridge, I expect it ______ undrinkable by now.
【单选题】You should have put the milk into the refrigerator, I expect it ______ bad by now.
【单选题】You should have put the milk into the icebox, I expect it ______ undrinkable.
【简答题】You should have put the milk in the ice box I expect it ________ undrinkable by now. A) became B) had become C) has become D) becomes
【简答题】数据库设计三原则: 第一范式(1NF) 如:价格 联系方式(数组型) 第二范式(2NF) #姓名→用自增量ID实现实体区分 第三范式(3NF) 表与表通过公共字段(主键 外键)#外键外的字段(不出现)
【单选题】You should have put the book____ you found it.
【判断题】超几何分布在一定条件下可近似成二项分布。
【单选题】You should have put the milk in the refrigerator. I expect it ______ undrinkable.