问题补充：
Our neighbor has ours.
A. as a big house as
B. as big a house as
C. the same big house as
D. a house the same big as
答案：
A. as a big house as
B. as big a house as
C. the same big house as
D. a house the same big as
解析：a / an 一般用于“形容词+单数可数名词”前，但要用于“how / so / as / too + adj.之后”。又如：How clever a boy! / He is so clever a boy. / It is too big a stone.
