题型:填空题 Like the Olympics, the World Cup takes place _____ years.A.every fourB.each fourthC.each fourD.every fourth 查看答案
题型:填空题 Of the three procedures followed in a cognitive classroom, which can be viewed as the performance stageA. Exercises. B. Application activities.C. Introduction of new materials. D. None of the above. 查看答案