Little, a little, few, a few

It is getting dark so there are ____ people in the park.

Give me ____ sheets of paper, please. I need to write a letter.

There is ____ milk in the bottle, but not enough for the children.

Sara knows French _____ ; but she can speak Italian fairly well.

Can you walk _____ faster? We are going to be late for the concert.

The plate is not empty; there are still ____ pieces of meat left.

He has ______ knowledge of the subject; you'd better ask somebody else.

Can I ask you ____ questions about your research? - Sure.

Mike had ____ nails, that was why he couldn't make a shelf.

I can see ____ English magazines on the table. Are they yours?