13. Tom is very intelligent. _______________, he’s lazy.

          A. So                                 B. But                                C. Therefore                      D. However

14. “Congratulations! You made a hat-trick today.” – “_______________”

          A. Thank you. I’m glad you like it.                             C. Thank you so much. That’s very kind of you.

          B. Thanks. It’s the whole team’s effort.                      D. Thank you. Everybody can solve this problem.