that final exam was the most difficult one i'd ever gone through 句型转换
问题描述：
that final exam was the most difficult one i'd ever gone through 句型转换
i'd never gone through a final exam that was _____ _____ _____that one
答
that final exam was the most difficult one i'd ever gone through 句型转换
i'd never gone through a final exam that was __as difficult as ____that one
as difficult as 与.一样困难