【判断题】_____ 5. Grandpa’s false teeth dropped out with his hearty laugh.
【单选题】缩合反应操作中,应该通过控制蒸汽,使反应温度
【单选题】They will go to their __________ home to have big family get together. [ ]
B.
grandma's and grandpa's
【判断题】在绘制中国山脉走向示意图时,山脉符号和山脉名称不能同时使用一条引导线
【简答题】当供应商处于()市场时,它仅有一个供应商可以选择。(两个字)
【单选题】The boy has to speak to his grandpa in a loud voice. Something is wrong with his grandpa's ______. [ ]
【单选题】— Who’s this man? — is my grandpa. [ ]
【单选题】缩合反应操作中,应该通过控制蒸汽,使反应温度