zhè / suǒ / dà / xué / céng / yǔ / Hàn / bàn / hé / zuò / jǔ / bàn / Zhōng / wén / jiào / shī / péi / xùn这所大学曾与汉办合作举办中文教师培训。This university once worked with Hanban to organize Chinese teacher training.