用所给单词的适当形式完成句子。1.He learned it_____ (he).2.Lesson 3 is not so_____ (playful) as Lesson 用所给单词的适当形式完成句子。 1.He learned it _____ (he). 2.Lesson 3 is not so_________(playful) as Lesson 5. 3.You should send for the doctor as _____ (faster) as possible. 4.The more you learn, the _____ (great) knowledge you will get. 5.How heavily it rained yesterday! But today it is even_____ (heavy).