A person _______ a foreign language must be able to use the foreign language _______ all about his own.
------Can those_____ at the back of the classroom hear me?------- No problem.
Teenagers _____ their health because they play computer games too much.
How many pages have you_____ so far? Can you return the book ____ me tomorrow?
The house rent is expensive. I’ve got about half the space I had at home and I’m paying_____ here.
John didn’t choose _____ of the ties and went away without looking at a third one.