There's a very important environmental issue here and the aerospace industry is extremely concerned - or should be.

We have reason to be extremely concerned, because it's really like being under siege.

As a young man, Knowlton was extremely concerned about his health.

He seemed extremely concerned about leaving any member of the team behind, no matter the reason, and assigned them to work in pairs.

Nearly half said they were "extremely concerned" about Northwest's handling of the matter.

"I covered the company like a rug, and it was extremely concerned about leaks at the time."

On 27 August, the surgeon became extremely concerned, especially when the two anchors gave way at about 11pm.

"People within the profession were extremely concerned about what the fallout from that would be."

Students he spoke to said they were extremely concerned about the war in Iraq and the prospect of a draft.

He was extremely concerned, however, about their flight possibly being delayed.