21. ---Lucy, I really appreciate your handwriting.
--- _______.
A. I practice every day B. thank you very much
C. No, I don’t think so D. Well, It’s not good enough
22. ---Tom is such a stupid student that he had failed in every exam.
---Sorry, I won’t agree. He is ________ than stupid.
A. lazier B. no lazier C. more lazy D. lazier rather
