The emergency team is at call 24/7 to handle any crisis.

I'm not sure which book to choose.

I need someone who can fix my car.

It is our duty to help those in need.

Everyone is to attend the meeting without fail.

The bulk of the work is already done.

The bulk of the work was completed by the team.

The bulk of the work has been completed.

The bulk of the work was done by the volunteers.

The bulk of the work was done by the volunteers.