Solve
 
 
 
I can't solve this problem.
How did you solve the problem?
No one could solve the puzzle.
There are many problems to solve.
She expected him to solve the problem.
I found it difficult to solve the problem.
I can't figure out how to solve the puzzle.
I can't figure out how to solve this problem.
She explained to him how to solve the puzzle.
I know how to solve the problem, but I've been asked not to tell you.