爱宝扫描枪说明书:at the corner near the school he saw some people crowding _____a woman

at the corner near the school he saw some people crowding _____a woman on the corner,in the corner,at the corner有啥区别 he looked at the sharks now near the shore in/at/on the corner有什么区别????? at(in, on)the corner这些哪里不一样？ 请教the corner 是什么意思 连词成句they the near river went the hotel didn't fishing they in near the river The road near our university_______now. the end is near是什么意思？