【单选题】记账人员根据记账凭证登记账簿完毕后,要在记账凭证上注明已记账的符号,主要是为了
【单选题】— Julia said she sent you a birthday card yesterday. Have you got it? — Oh, really! I haven't _____my mailbox yet. [ ]
【多选题】群体性突发事件的类型包含()
B.
根据事件本身的性质,也可以把事件划分为不同类型
【单选题】听力原文:F: The teacher told us to finish Ex. 5 yesterday. Have you done it?M: Oh, sorry. I forgot it. What did the teacher tell them to do?