Question

--- You study ______ hard _______ you’re sure to pass the exam. 
--- Thank you for saying so

1. A.
   enough… to
2. B.
   as…as
3. C.
   so…that

Answer 1

C
考查so…that的用法。enough...to“足够做……”；as...as...“和……一样”；so...that...“如此……以至……”。由句意：－你学习如此的努力以至于你肯定能通过考试。－谢谢你这么说。故选C。