This issue needs to be addressed urgently.

Immediate response is necessary.

I appreciate his prompt correspondence.

This software corresponds to the new system.

Your cooperation is needed for this project.

I need you.

I was really surprised by his cruelly brusque treatment.

The staff at that restaurant provided astonishingly kind treatment, and we were very satisfied.

He thinks that war is a necessary evil.

Do you understand the necessity of this project?