问题
选择题
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
B。
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.