试题题干
Though familiar with the （）, Harold Palmer and A. S. Homby were discontented with its practice because of some limitations in their English-teaching experience.
参考答案
正确答案：
试题解析
虽然熟悉直接方法，但帕尔默和霍恩比对其实践并不满意，因为他们的英语教学经验存在一些局限性。