1. The solid base makes it easy to balance your iPad on your knee in most positions.

2. Scientists suspect that there was once a steady stream of water running about knee deep.

3. In the same battle, both suffered injuries to the left knee and right arm.

4. She said the only injury has been a firefighter who hurt his knee at the scene.

5. She had been suffering from knee problems and poor blood circulation.

6. I ve been waiting for an ambulance since Thursday, the student with the injured knee shouted.

7. Passengers had to wade knee deep in water to get to and from Terminal 3.

8. Abbott, who had her knee replaced in October, is almost fully recovered.