The band is just back from a sell-out European __________.
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He could at least have had the _____________ to say sorry.
They ignored me and _____________ their conversation.
Tears came to her eyes at the sight of the living conditions of those _____________.
()是平面组合设计的核心问题。
A. 功能分区
B. 使用功能
C. 流线组织
D. 结构类型
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