4. the room was so dark that i couldn't see anything (too)
the room was too dark for me  too see anything

5. the man is so rich that he can buy everrything (such)
he is such a rich man  that he can buy everrything 
6. my brother is so short thả he can't play foootball (too)
my brother is too short to play foootball
7. this dress is very old. she can't wear it any more (too)
this dress is too old for her to wear