"in; at" Practice Chinese lesson

Recording	English	Chinese	Status
	Call me at six-thirty, please.	请在六点半给我打电话。
	Are you marketing a shirt? Is that an advertisement for your shirt?	您在营销衬衫吗？那是你的衬衫的广告吗？
	A room with a teacher sitting on a chair and a student sitting on a chair.	房间里有一位老师坐在椅子上，一位学生坐在椅子上。
	In ancient China, a teacher and his students built a temple.	在中国古代，一位老师和他的学生建造了一座寺庙。