21. When delivering a speech, you should adjust your language to the age of your ______ audience.
A. target B. entry C. boundary D. concept
22. I always think it was such a(n) ______ for me to have spent a day with kids in the Children’s Home.
A. certificate B. assessment C. privilege D. arrangement
23. Other businesses, such as insurance companies, are more concerned with acquiring a central position so that they are ______ to the urban population.
A. beneficial B. relevant C. independent D. accessible
