21. ----Thank you for lending me your MP5 player. Can I return it to you next Monday?
-----________. I’ve bought a new one.
A. No wonder B. No hurry C. No way D. No choice
22. In ____ accident _____ knowledge of first aid can make _____ real difference.
A. the; a; the B. an; a; a C. an; the; 不填 D. a; a; 不填
