The fourth lesson (that) we are to learn这里that为什么不能用which呢?

the fourth lesson is art that's my favourite subject! We are going to learn __next week.A.Lesson FourWe are going to learn __next week.A.Lesson Four B.Lesson Fourth C.Fourth Lesson D.the Fourth Lesson.呜呜呜呜π_π谢谢 翻译下列单词：Bus No.6 half past seven the fourth lesson l ( )(have)four lessons every morning ,Now l ( )(have)the fourth lesson. The fourth lesson (that) we are to learn这里that为什么不能用which呢? The fourth Lesson 20 is another way of saying the t() lesson the fourth lesson __we are to learn is much more difficult than the lesson __we learned last week定语从句填空 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 The fourth birthoboy August the fourth是什么意思 the fourtn lesson=Lesson lesson nine is the ( )lesson. I don't understand the lesson.的意思 Don't stop___you reach the fourth traffic lights.A.and B.still C.until D.because the lesson third与 the third lesson THE MAY FOURTH MOVEMENT怎么样 On the fourth park是什么意思?