题目

选择填空；从A、B、C、D四个选项中，选出可以填入空白处的最佳答案。 My uncle has two children, a son and a daughter. The son is ______ English teacher and    ______ daughter is a nurse. A. a, the                    B. an, the                      C. the, a               D. an, a 答案：B 情景对话，根据对话回答问题：