the teacher helped me work out the physics problem
It's easy for me (work)it out
He often o to help me work out the problem.
The problem is difficult for me to work out.
The math p___is difficult for me to work out.
I thought it( ) me to work out the problem.
work out
It's a hard work for me to work out shis problem.
out me?
work out fine 和work out well
work work it out呢?
work at、work out、work on区别...