1) They have had a little homework in mathematics recently.

2) How much time do you need to finish the work?

3) There are too many students in the library.

4) Have you visited any foreign countries?

5) lthough he's very ill, he didn't take any medicine.

6) Lots of people know as much about linguistics as John does.

7) They say little knowledge is a dangerous thing.

8) He's having a lot of trouble passing his driving test.

9) I spend most of my time reading novels.

10) He knows a little English. He knows enough English to manage.