1.   Endill spent every spare moment he had in the library.

2.   Eric spent every spare moment he had in the library.

3.   Hatton had done the journey in the shortest possible time, leaving no possible spare moment for undercover activities.

4.   I mean, there is always a spare moment or two when one needs a break from digging, or sawing.

5.   If you have a spare moment, could you read through my essay?

6.   Keep the data on flashcards and put in your pocket to look at in spare moments.

7.   She spent every spare moment in the library.

8.   In spare moments he applied his mind to how rockets could be used to make money.

9.   He devotes every spare moment to his hobby.