单选题 It is no easy job to be a teacher. One has to be extremely patient ______ the students.
A. at B. about C. on D. with

【正确答案】 D
【答案解析】本题考查的是形容词和介词的搭配。be patlent with是固定用法,意思是:“对……耐心”。又如be satisfied/angry with sb.,对……满意/生气,都是用with。本句的意思是:“当老师可不是件容易的事,要对学生们非常耐心。”