AT: the bus stop, the door, the roundabout, reception, the traffic lights, the top of the page, the bottom of the page, the end of the day, IN: the room, the building, the city centre, the pool, the mountains, a line/queue, the sky, the front row, ON: the ceiling, a page, an island, page seven, the floor, the left/right, the second floor, the way home,

EF Elementary Un 4 (at/in/on)

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恢復自動保存: ?