Choose the answer which correctly completes the sentence

Choose the answer which correctly completes the sentence.

Many professional athletes find that they have … time for a personal life because their profession demands … time and energy.

1. 
   much more/a little B) less/the most C) little/too much D) few/so much
   

7. 
   Choose the answer which correctly completes the sentence.
   

Asteroids, even small ones, can be devastating if they hit the earth. The Grand Canyon, … is almost a mile wide, might have been created by an asteroid only 150 feet in diameter.

1. 
   Where B) that C) what D) which
   

8.