21. Michael Jackson, ____ incomparable figure in music, dance and culture was pronounced dead by doctors on ________ afternoon of June 25, 2009.
A. a; the B. an; the C. an;∕ D. the; the
22. --- What are the workers anxious about?
---________ run better in the future.
A. If the company can B. That the company can
C. The company can D. Whether the company can
