用you,sorry,if,finish,school,be,you'll,don't造句,sorry必须在句末

问题描述:

用you,sorry,if,finish,school,be,you'll,don't造句,sorry必须在句末

If you don't finish school, you'll be sorry.

If you don't finish school,you'll be sorry.

If you don't finish school, you'll be sorry.