问题
选择题
A good friend of mine from when I was born _______ at my home right before I left for Beijing．
A．showing up
B．showed up
C．to show up
D．shows up
答案
答案：B
考查谓语动词：from when I was born是定语修饰A good friend of mine，show up是谓语动词，用过去分词，句意：我的一个发小就在我去北京前来到我家。选B。