They have had _______ homework in mathematics recently.

How ________ time do you need to finish the work?

There are too __________ students in the library

Have you visited _________ foreign countries?

Although he's very ill, he didn't take _______ medicine.

He knows _________ English. He knows enough English to manage. 

I spend _________ of my time reading novels.

He's having _________ of trouble passing his driving test. 

They say _______ knowledge is a dangerous thing. 

______ people know as much about linguistics as John does.