- Do you know his ? No. I only know he lives in Hongqi Street. We can call him befo

问题补充：

--- Do you know his ?

--- No. I only know he lives in Hongqi Street. We can call him before we go to his house.

A. address

B. number

C. school

D. birthday

答案：

(答案→)A. address

B. number

C. school

D. birthday

解析：句意:-你知道他的地址吗？-不。我只知道他住在红旗街。我们去他家之前可以先给他打电话。address地址；number 数字，数量；school学校；birthday生日。根据句意可知，他们要去他的家，但是不知道地址。故选A。