-- _milk do we need ?Two glasses .A. How much B How many C. How often D. How far

问题补充：

-- _milk do we need ? --Two glasses .

A. How much B, How many C. How often D. How far

答案：

解析：How much多少，用来提问不可数的量；How many多少个，提问复数名词；How often多久一次；How far多远。根据下文，两杯。可知上文问的是，你需要多少牛奶？英语中milk为不可数名词，故选A。