this job involves( ) in beijing for two years.Ahim to work B

选C
involve后面用宾格形式,working in beijing for two years是现在分词做伴随状语.
再问： judging from his( ) i'm afraid that he is not willing to help us.Aappearance Bexpression Cimpression Dfeeling
再答： Aappearance外貌 Bexpression 表情 Cimpression 印象 Dfeeling 感觉 故选B 通过判断他的表情，我担心他不愿意帮助我们。