问题
选择题
My uncle’s house in the downtown area is much smaller than ours, but it is twice
______expensive.
A．as
B．so
C．too
D．very
答案
答案：A
考查倍数的表达法。倍数+as +形容词+as本剧是个省略句，完整的句子为：but it is twice as expensive as ours.故选A。