21£®Yao Ming announced ______ personal decision—ending his career as ______ basketball player and retied on July 20£®

       A£®the; the            B£®a; the            C£®a; a  D£®the; a

22£®—Do you mind if I copy your speech?   —             

       A£®Not at all.        B£®Never mind.      C.Congratulations!     D£®Well done

23£®The government said that a military exercise would be held on Monday off the country’s central coast, and it warned other ships to _____ the area.£®

       A£®surround         B£®avoid     C£®enter      D£®observe