21. ---- A man picked up your bag. He left his address and asked us to go and get it tomorrow.
---- Great! ______!
A. Congratulations B. Cheers C. Best wishes D. I really have good luck.
22He has _____ good knowledge of many foreign languages, and one of them is English which is a language spoken by many people in _____ world.
A. the; a B. the; the C. a; a D. a; the
