This situation must be changed.

This trend must be reversed.

This must be fabricated then.

This opportunity must be seized.

This telescope must be used carefully.

This critical shortcoming must be resolved.

But this identity must be open.

This opportunity must not be wasted.

Surely, this must be some trick.

This must be one of those moments.

This time, it must be done right.

This lack of clarity must be resolved.

This exceptional provision must be interpreted strictly.

So this must be the hour of Europe.

Of course, this decline must not be overestimated.

This master plan must be updated and realized.

This information must be organized by geographical areas.

Desertification must be fought at all levels, but this battle must ultimately be won at the local level.

This will be difficult, and it must not be approached naively.

This problem must not be dismissed out of hand.

There must be a better way to do this.

This system is inherently unbalanced, and must be corrected.

They must be eaten by water fleas before this.

Obviously this test must be done very very gently.

We must be recognized as partners in this work.

An opportunity such as this must not be missed.

At this meeting, the appropriate lead must be taken.

All necessary steps must be taken in this regard.

No efforts must be spared to reverse this trend.

If this line is to be maintained, the exit door must immediately be made much wider, and huge fire extinguishers must be brandished.

To face this global threat, international cooperation must be improved.

This must be wrong for moral and even practical reasons.

And this is why militant Islamist preachers must be stopped.

To this must now be added the revolt in Egypt.

The contradiction means that this assumption must be false, i.e.

At this defining moment in history, we must be ambitious.

This must be reinforced by vigorous independent monitoring throughout the process.

To overcome this fundamental design flaw, government debts must be pooled.

But this must be a debate between people, and within people.

But this course must be pursued prudently and with great care.

And this dirty man must be prevented from standing for election

Each necessary component of this must be migrated, preserved or emulated.

This implies that the orientation must be preserved by ambient isotopies.

Therefore, international methodology must be developed to adequately capture this phenomenon.

This must be complemented by at least the minimum environmental standards.