=The room is ( ) small to live ( )
I think it hard to solve the math problem
=I think ( ) ( ) hard to solve th math problem.
=The room is ( ) small to live ( )
I think it hard to solve the math problem
=I think ( ) ( ) hard to solve th math problem.
=The room is ( too) small to live (in )
I think it hard to solve the math problem
=I think ( it) (is ) hard to solve the math problem.
很高兴为你解答
too in
it's too
the room is too small to live in
I think it is hard to slove the math problem