问题
选择题
By the end of last month, we had sold ____________ as we did last year.
A．as twice many cups
B．twice cups as many
C．twice as many cups
D．as many cups twice
答案
答案：C
这题考查倍数：结构是：倍数+as+adj+as的用法，句意是：到上个月底为止，我们卖了去年两倍的杯子，选C。
