The teacher has a(an) to get off topic; sometimes it is difficult for students to make out what he is saying.
A. concern
B. determination
C. intention
D. tendency
网友回答
A. concern
B. determination
C. intention
(答案→)D. tendency
解析：词义辨析. A. 关心 B.决心 C.意图;目的 D.倾向;癖好.句意:这个老师有个跑题的癖好;有时很难让学生明白他正在说什么。选D。