Environmental groups question that claim and say the plan may not be legal.

Many groups questioned the validity and functionality of the department.

Many groups have questioned what price they must pay in civil liberties for the sake of security.

My husband's group questioned him about the legal profession, the justice system and the role of religion in our society.

The advisory group questioned the effectiveness of the drug at low doses and its potential for side effects.

These groups also question whether the new rules will help control the high-rise development that is encroaching on the area.

The judge wants a group of 250 to question on the more substantive level.

The group also questioned some of the advice offered on potential savings.

Many militant groups and opposition politicians questioned the survey questions.

The nurses' groups question whether the new positions can be filled.