【单选题】I a letter from him since he left.
【单选题】I received a letter from my uncle.
【简答题】必须把这一点说清楚。(passive voice)
【判断题】通过工作分析所得到的信息资料,可成为人员选拔的标准。( )
【单选题】I a letter from my sister yesterday.
【单选题】GPS 的中文名称为 ________ 。
【简答题】Last week I a letter from my best friend.
【简答题】I a letter from my brother last week.(received/took )