So,he says Americans must use their votes to elect officials for whom the environment is important.

VOA: special.2010.04.21

To lose weight,you must use or burn off more calories than you take in.

VOA: special.2010.06.08

Drivers must use special care because of ice and snow on the roads.

VOA: special.2009.01.07

So doctors must use stronger, "second line" drugs when the first ones fail.

VOA: special.2009.03.25

They must use their supplies wisely, and re-use them.

VOA: special.2010.05.30

Diamond argues that the United States must use more than vague encouragement if it wants to see real democracy in the Middle East.

VOA: standard.2010.05.19

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

If you start a path of one color you must continue to use only toe and handholds marked with that color.

VOA: special.2009.12.09

However, officials say any reduction in the use of pesticides must make sure that disease control efforts are not weakened.

VOA: special.2009.05.26

Mr.Graves must now use a wheelchair to move around.

VOA: special.2010.07.09

He said ,given the spread of Internet use, police must confront crimes taking police in the Web atmosphere.

VOA: standard.2009.11.14

He added that there must also be accountability and review mechanisms in place regarding their use.

VOA: standard.2009.10.27

Campbell says Afghan and world leaders must look at the socio-economic factors fueling drug use.

VOA: standard.2010.06.23

But Graham described as unpersuasive the president's continuing assertion that the U.S.must avoid being seen to be meddling in Iran so Iran's government will not use this as an excuse to intensify its crackdown on the opposition.

VOA: standard.2009.06.23