【单选题】Oh, boys and girls, come in please. And make _________at home.
【单选题】Oh, boys and girls, come in please. And make _______ at home.
【单选题】Oh,boys and girls ,come in please, and make ___ at home。
【判断题】迎宾员应该先带客人至餐厅的前段,显而易见之处,其次以平均角度安排。
【单选题】船用中压空气压缩机的活塞一般由______制成。
【判断题】本地自动运行由Cycle Start按钮启动。