【题目】The last class finished an hour ago but quite a few students still ____ in the classroom.
A. left B. remained C. delayed D. advanced
在线课程【答案】B
【解析】
试题分析：考查动词辨析。动词leave离开；remain逗留，停留；delay延误；advance前进，进步；句意：半小时前最后一节课就结束了，但很多学生仍然逗留在教室里。本句转换remain相当于stay。根据句意可知B项正确。