a few or a little? Exercises for few

  Complete the sentences with little or a few.
  It's raining. There are people in the street.
  Dad, I'm hungry. There is food in the fridge.
  An English test, we need luck.
  Mr Turner needs time to start his car.
  Tom, would you like some potatoes? Yes, .
  Would you like sugar in your tea? Yes, .
  Jack has got friends.