21. He played a trick _____ Alice and he had to apologize ______treating her to a nice lunch.
A. on, for B. in, by C. on, to D. on, by
22. The story ______me of an experience I once had in the forest.
A. mentioned B. informed C. reminded D. recalled
23. _______ by the beauty of its buildings on their first visit, they decided to tour the small town again.
A. To attract B. Attracted C. Attracting D. Being attracted
