21£®David's first novel, based on his experience as ______ lawyer, became _____best seller in Australia£®
A£®a; a B£®²»Ì a C£®a; the D£®²»Ìî; the
22£®—Thanks for your help, but can you do me one more favor, please?
—______, sir£®What's it then?
A£®It is nothing B£®That's right
C£®At your service D£®Never mind
23£®—What should you do if you have problems with your life?
— .
A£®To find a friend to talk B£®Find a friend to talk to
C£®Finding a friend to talk to D£®Found a friend to talk
24£®I don't know for sure how many people would like to settle here-it is a£¨n£© ______of personal preference£®
A£®affair B£®event C£®matter D£®taste