【判断题】Academic papers must be logically developed.
【单选题】----Must we hand in the papers now? ----No, you ______.
【单选题】I must ( )the papers.
【单选题】— Where is Mr. Wang? — He is not here. He must _______ the students’ papers in the office.
【单选题】—Must we hand in the papers now? --No, you ______.
【单选题】All students____remain in their seats until all the papers have been collected.
【单选题】The teacher urged that all the students ________ their papers carefully. [ ]
【多选题】树脂道是针叶树材中一种具有 和 树脂功能的特殊木材组织。
【单选题】Someone must have______about among my papers, for my drawer is in a mess.
【单选题】The students _________ in their papers must leave the classroom.