问题补充：
—Do you regret paying 500 dollars for your necklace?
--No, I would gladly pay for it.
A. two times as much
B. twice as many
C. twice as much
D. as twice as much
答案：
A. two times as much
B. twice as many
(答案→)C. twice as much
D. as twice as much
解析：本题是比较级的倍数表达法。倍数要放在as．．．as之前，而且钱的多少要用
