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; /

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

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

After I went abroad for further study, _______ of my parents lived with me．

   A． none            B． neither         C． either          D． any

_______ with the Japanese government, some Chinese people decided not to buy products from Japan any more．

   A． Not satisfying                      B． Not having satisfied         

    C． Not satisfied                       D． Not to satisfy

Traditional Chinese medicine is thousands of years old and has developed _______ time．

   A． over            B． in              C． on              D． of

We’ve just heard a warning on the radio _______ a typhoon may be on its way．

   A． what            B． when            C． which           D． that

The moment I completed the 800-meter race in the school sports meet, my legs _______．

   A． gave out        B． gave away       C． gave in         D． gave up

It was not until 1911, _______ the first vitamin was identified, _______ people realized the importance of it．

    A． when; which     B． when; that      C． that; which     D． that; that

According to the school rules, no child _______ be allowed out of the school during the day, unless accompanied by an adult．

   A． will            B． would           C． might           D． shall