Having concentrated for a long time he his work made some coffee and talked with his co

问题补充：

Having concentrated for a long time he his work, made some coffee and talked with his colleagues.

A. put on

B. put aside

C. put off

D. put back

答案：

A. put on

(答案→)B. put aside

C. put off

D. put back

解析：短语辨析。A. 穿上 B. 撇开 C.延迟 D. 推迟。句意：由于已经紧张了很长时间，他撇开了工作，弄了点咖啡和他的同事们谈起了话。故选B。