21. _________ recent report stated that the number of Spanish speakers in the U.S.

   would be higher than the number of English speakers by_______ year 2090.

      A. The; ²»Ìî               B.A; the                    C. A; ²»Ìî       D. The; a

22. Seeing the happy _______ of children playing in the park, I’m full of joy and

   confidence in the future of our country.

   A. sight               B. scene            C. view           D. sign