I can't finish this part of the puzzle. ✬

Have you worked the puzzle out? ✬

I can't figure out how to solve the puzzle. ✬

I found it difficult to solve the puzzle. ✬

This puzzle will be completed by tomorrow. ✬

This puzzle has 500 pieces. ✬

I love to spend time trying to put together a puzzle. ✬

No one could solve the puzzle. ✬

I felt it was a relatively difficult jigsaw puzzle. ✬

She explained to him how to solve the puzzle. ✬