We’ve just heard a warning on the radio _______ a typhoon may be on its way．
A． what B． when C． which D． that
Traditional Chinese medicine is thousands of years old and has developed _______ time．
A． over B． in C． on D． of
_______ 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
After I went abroad for further study, _______ of my parents lived with me．
A． none B． neither C． either D． any
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
