在师生关系上倾向于“学生中心说”的教育学家是()
We’dbetterdiscusseverything_______beforeweworkouttheplan.
结合实际，谈谈如何利用注意的规律组织课堂教学。
HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?
Mr.Smithgradually_____aknowledgeofthesubject.
