My friend can work hard,so can i .这句话对吗

i hope you can always work hard for english.请问这句话对吗? i think this work is so tired that i can’t stand it.这句话对吗 why do you work so hard?I--------- my money so I can buy a n She can for her son so hard,I have to work hard for my son 需 I work hard so that I can get the first I'm not sure whether I can complete the work on time.这句话对吗 Sometimes I miss you so much I can hardly stand it.这句话对吗? Of course i can 这句话对吗 my dream if can come ture? who can tell me . i an so hard, b how can i realize my dream how life is so hard why i am so t Are you work hard?这句话对吗? The problem is so hard that no one can work out .请问如果后面it也对吗