Finally,in November, nineteen sixty-nine, the United States government ruled that the use of DDT must stop in two years.

VOA: special.2010.03.14

This must be done to equally divide the four hundred thirty-five voting districts in the House of Representatives among the states.

VOA: special.2010.12.25

The experts also say you must look at the picture as the American public saw it in nineteen forty-five.

VOA: special.2010.05.31

But he said the nation must not forget the near-collapse of the banking system in two thousand eight without fixing its causes.

VOA: special.2010.04.16

He decreed that anyone found guilty of using the word Frisco must pay a penalty of twenty-five dollars.

VOA: special.2009.12.14

Surely tears must be good for us - a way to calm the mind and cleanse the body.

VOA: special.2009.01.28

As we do,we must also reaffirm that the United States is not -- and never will be -- at war with Islam."

VOA: special.2011.05.07

The delegates agreed that a man must win two-thirds of the convention's votes to be the party's candidate.

VOA: special.2009.04.16

So the fires to make containers from volcanic clay must be hotter than those used for non-volcanic clay.

VOA: special.2009.09.14

I thought the heart must burst. And now a new fear seized me -- the sound would be heard by a neighbor!

VOA: special.2009.05.16

The sister must leave the safety of home to rescue the baby from a strange and dream-like world.

VOA: special.2009.10.05

They must be at least twenty-five years old, an American citizen for at least seven years and live in the state they represent.

VOA: special.2009.08.14

But now -- she is dead,of course, but it is all right it must be all right,somehow.

VOA: special.2009.10.31

To stay in school,experts say children must consider their education useful -- and so must their parents.

VOA: special.2010.05.20