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标题: GWD 4- 4 [打印本页]

作者: girlwithwings 时间: 2010-4-29 14:20
标题: GWD 4- 4
求助: Q18: GWD-4-4
Q18: GWD-4-4

A new hair-growing drug is being sold for three times the price, per milligram, as the drug’s maker charges for another product with the same active ingredient.

A.as

B.than

C.that

D.of what

E.at which

答案C，

that前面可以加 “，” ???

作者: applejsjs 时间: 2010-5-5 08:01
同问，求解~~

作者: fangzhenzhen 时间: 2010-5-5 09:08
我也不会这题...

作者: girlwithwings 时间: 2010-5-7 08:18
因为per milligram为插入语吗？

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