21. Jenny found in music__ peace which was missing in__ world full of challenges.
A. /; the B. /; a C. a; the D. the; a
22. Have you read the book, concerning the story of Song Dandan?
A．it B．one C．which D．the one
23. ----I hope you enjoyed the film last night．---How on earth do you know I went to a film? I _you．
A. won’t tell B. didn’t tell C. haven’t told D．hadn’t told
