this lesson is that we will never forget.可以这样写嘛?

英语翻译This lesson is much __ difficult than that lesson.John is one of ___(good) student in our class. 英语翻译This lesson is much __ difficult than that lesson.John is one of ___(good) student in our class. This lesson is interesting .This lesson is helpful.合并成一句This lesson is -------- interesting -------- helpful This is the last lesson that we have this term..为什么只能用that 不能用which?、 this lesson is that we will never forget.可以这样写嘛? This lesson is too hard ______ him This is our _____(one) lesson this is the third lesson同义句 This is our second English lesson是什么意思 this is……(he)english lesson. this is their (two)english lesson This is an Art lesson怎么翻译 This is the last time ____I shall give you a lesson.A.when B.that C.which D.in which This is the first lesson ___ I learned from Mr.Li.A.that B.who C.which D.what this is the first lesson=this is________. This is the last time that I shall give you a lesson为什么要that?这个是什么句型?that在句子中充当什么成分? this lesson is over同义句 （）（）（）the lesson This lesson is easy.(改同义句）