Помогите! Few, a few, little, a little

Question

Помогите! Few, a few, little, a little

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Answer 1

7. a little toothpaste (неисчисляемое сущ-е), a few toothbrushes (исчисляем. сущ.)
8. a little hydrogen (неисчисл.), a little oxygen (неисчисл.)
9. a few books (исчисл.), a little time (неисчисл.)
10. a few suitcases (исчисл.), a few bellboys (исчисл.)

Answer 2

7) a little ,a few
8)a little ,a little
9)a few,a little
10)a little, a few