挑错Lesson Three is the most difficult lesson,but it isn't the most difficult lesson in Book Four.Lesson Three is the most difficult lesson,but it isn't the most difficult lesson in Book Four.挑错并讲解

问题描述:

挑错Lesson Three is the most difficult lesson,but it isn't the most difficult lesson in Book Four.
Lesson Three is the most difficult lesson,but it isn't the most difficult lesson in Book Four.
挑错并讲解

Lesson Three is the most difficult lesson,but it isn't the most difficult one in Book Four.
第3课是一个最难的课,但它不是书上最难的。

第一个the most改成a most
a most表示“很”
the most表示“最”
第三课是很难的一课,但它并不是第四册里最难的.