28．A heavy snow promises a good harvest, _____ is often the case．
| A．where | B．as | C．that | D．What |
When Helen saw her tutor nod _______ to her, she calmed down and went on with her performance．
| A．encouragingly | B．amazingly | C．interestingly | D．willingly |
Before joining the Department of Defense, Mr． Panetta _______ as director of the CIA from February 2009 to June 2011．
| A．would serve | B．served | C．was served | D．had been served |
What _______ pity that you must leave now! It is such _______ great fun to have dinner with you．
| A．a; a | B．a; the | C．/; a | D．a; / |
-- It’s been a wonderful evening. Thank you very much. --_______.
| A．My pleasure | B．I’m glad to hear that | C．No, thanks | D．It’s Ok. |
We all admired her ______ the way she saved the children from the fire.
| A．to | B．for | C．in | D．at |