Groves approved the test, subject to the active material being recovered.

It's the last major material to be recovered in any significant amount on the Earth.

It must be done.

It was deployed and operated successfully, independent of the orbiter, before being retrieved.

You need to be coachable.

You don't even have to be Jewish.

It doesn't have to be.

So something more needs to be done.

It doesn't have to be like this.

It doesn't have to be like that.

There's no need to be gentle.

Something has to be done.

You need to be patient.

You need to be careful.

You need to be careful.

It must be removed.

It needs to be removed.

Something needs to be done.

He needs to be punished.

Tom needs to be arrested.

Likewise, B can be recovered from the elements of the pair that do contain 0.

But it doesn't have to be that way.

This issue needs to be addressed.

You must be more polite.

This stool needs to be repaired.

This tape recorder wants repairing.

You need to be more careful.

My watch needs to be repaired.

My clock needs to be fixed.

This sentence needs to be checked.

This watch needs to be fixed.

The lawn needs to be watered.

The lawn needs to be watered.

This shirt needs to be ironed.

This shirt needs ironing.

Your soul needs to be saved.

The bathtub needs to be cleaned.

You need to be more careful!

It doesn't have to be like this.

The chair needs to be repaired.

You need to be more patient.

This car needs washed.

Tom needs to be more specific.

Tom needs to be more careful.

Tom needs to be more careful.