Mike had a ________ look when he heard the ________ news．
A.satisfied; satisfyingB.satisfying; satisfiedC.satisfy; satisfactoryD.satisfaction; satisfy在线课程A
satisfy是动词，意为“满意，使满意”；satisfying是形容词，意为“令人感到满意的”，相当于satisfactory; satisfied也是形容词，意为“感到满意的”；satisfaction是名词，意为“满意，令人满意的事”。