21. Li Keqiang, graduated from __________ Department of Economics of Peking University,was elected _________ Premier of the People's Republic of China.

A. a; the                 B. /;the                     C. the;/             D. the; a

22. “Impression Pingyao”, an cultural show _________ to display Pingyao’s rich history and culture was brought to stage by three directors, including Zhang Yimou.

A. intended          B. intending        C. is intended        D. to intend