21. —How did you find the talk given this morning?
—_______ .
A. By asking my students B. It was easy to find
C. Very disappointing D. Just in time for it
【解析】选C。考查情景交际。How did/do you find sb. /sth. ？表示认为某人或某物怎么样？所以此处应选C。答者认为这个演讲令人失望。
22. The city of Nanjing is_______ the Yangtze River and Japan is_______ the east of China.
A. in; on B. on; to
C. off; to D. on; in
【解析】选B。考查介词。位于河流或河岸上，应用介词on。第二个空指日本位于中国的东边，因为日本不属于中国，所以用介词to。
