【单选题】The teacher asked us to stop because she wanted to tell us something. [ ]
【单选题】The teacher asked us if______is in this office. The monitor answered that Bob and Tim had asked for leave today.
【单选题】The teacher asked us to keep quiet. Which kind of structures does the sentence belong to?
【单选题】以下哪一项是 B2B 电子商务发展的第一步
【简答题】The teacher asked us to write a (summarize) ______after reading the book.
【简答题】The teacher asked US to write a in one hour.
【多选题】陈嘉庚一生不懈奋斗的目标,是____________。
【单选题】The teacher asked us so much noise.
【单选题】以下哪一项是 B2B电子商务发展的第一步( )。