1.   His mind reeled back from the effort.

2.   His mind reeling with the difficult mathematical equations, he suddenly heard a soft knocking at the door.

3.   His mind reeled at the question.

4.   After a couple of days, my mind reeling, I decided to try some of the mock exams.

5.   His body slumped and his mind reeling, Holyfield looked weary and wary as Ruiz attacked.

6.   My mind reeled at the thought.

7.   The mind reels at just what that could mean.

8.   The mind reels at the idea of Queen Kong falling for Bruce Cabot instead of Fay Wray.

9.   The mind reels.

10.   The mind reels and turns off.