【简答题】心瓣膜病(valvular Vitium of the heart)
【单选题】【3+2天天练 第60天】下列哪一个选项是空缺处的最佳答案。As soon as he ______ the gate from the outside he comes into the garden.
【单选题】【3+2天天练 第60天】下列哪一个选项是空缺处的最佳答案。Rex became an expert. He was very ______.
【单选题】【3+2天天练 第60天】下列哪一个选项是空缺处的最佳答案。My husband spent weeks ______ him to press his paw on the latch.
【单选题】【3+2天天练 第60天】下列哪一个选项是空缺处的最佳答案。He would bark until someone opened the gate. That's what he ______.
【简答题】心瓣膜病(valvular vitium of the heart)(名词解释)