I think that you have made so rapid ____in math>

I think that you have made so rapid ____in math> I thank that you have made so rapid---------in math.A.aprogr I have great ____in learning math and I am so worried i have made rapid in English well这句话中的rapid对吗? I think that English is not so difficult as math.为什么不用否定转移? I think English is _____ math.--Yes,I think so. Why?I think you seem to have become so.Tears nobody believes me when i tell them that there's so math you Darling,you know that I have so much love you? i have to admit that i miss you so I'm so happy that I have you to love! I have never found that I love you so much .