标题: gwd4-4 [打印本页] 作者: 369wendy 时间: 2010-5-10 19:23 标题: gwd4-4 A new hair-growing drug is being sold for three times the price, per milligram, as the drug's maker charge for another product with the same active ingredient.
A. that B. of what
这题为什么选A 呢？倍数的表达不是应该是 A is 倍数+量词+of B么？作者: bonnie0715 时间: 2010-5-10 19:46
后面整句话修饰price，per milligram，是插入语作者: 369wendy 时间: 2010-5-10 19:55