问题补充：
Ten years ago, the population of our village was that of theirs.
A. as twice large as
B. twice as large as
C. twice as much as
D. as twice much as
答案：
A. as twice large as
(答案→)B. twice as large as
C. twice as much as
D. as twice much as
解析：考查倍数表达法。倍数表达有四种：1. “A+倍数+形容词或副词的比较级+than+B”， 2.“A+倍数+as+形容词或副词的原级+as+B”， 3. “A+倍数+the size/height/length/width， etc+of+B”， 4. “……times+what+从句”。倍数永远都放在最前面。本题考查的第2种；句意：前，我们村子的人口是他们村子的人口的2倍。AD两项的倍数被放在了后面；C项的形容词much不能用来修饰人口。故B正确。
