Rearrange the parts to make a meaningful sentence.

P. volunteering for the rescue

Q. the fact that he had

R. never flown before

S. did not stop him from

Explanation

1. 01

   Q begins the subject, "the fact that he had", and "had" needs a past form: R "never flown before".

2. 02

   Then the subject's verb: S "did not stop him from", and "from" needs an -ing word: P.

3. 03

   So the order is QRSP: "The fact that he had never flown before did not stop him from volunteering for the rescue."