Q4:
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 Answer: d
为什么选D?请问C可以吗?谢谢
欢迎光临 ChaseDream (https://forum.chasedream.com/) | Powered by Discuz! X3.3 |