Maths still ( ) very difficult for me,though I have done my

Maths still ( ) very difficult for me,though I have done my Maths still () very diffcult for me,though I have done my be T____ it is very difficult for me to learn maths well,I won' The maths problem is very difficult,.I work it out,though 为什 i am very grateful for all_you have done for me.A.whatB.that though I still have many I feel very happy that I have done something for my mother.t i am__to my parents for all that they have done for me应该填哪个单 I find that spoken English is very difficult for me I find（ ） English is very difficult for me My teacher is very i___ at what I have done. 1.Though I am improving in my study,I still have a long way