today I am still study hard on maths 这句话有错吗

I am still available I am still Am i still me . Actually,I am still I am still stay i am still taken I am still in office,will be abit late.today lose money today I am still study hard on maths 这句话有错吗 today,i am very am i still the 呵呵 I am still a loser scanf(%s,stu[i]. Today,I am very sad! I am tired ( ) happy today. I believe ,I am still是什么意思 I still和I am still的区别是什么 I am not _____（I）today -----are you feeling better?-----I am all right today,But I couldn't feel ___yesterday.A,any better,B,even worse C,still fine D.very bad