I arrive at nine o’clock, teach until twelve thirty and then have a meal; that is my morning .
A. policy
B. behavior
C. tendency
D. routine
网友回答
A. policy
B. behavior
C. tendency
(答案→)D. routine
解析：词义辨析。A．政策 B．行为举止 C．倾向；癖好 D．程序；日常工作。句意：我九点钟到达，教学到12：30，然后吃饭；那就是我上午的日常工作。故选D。