Tom. Why do you look so tired? — Because I often study late ______ 10 o’clock at night.[ ]

Thank you for your help, Linda. You made ________ possible for us to finish the work in time.

There is ________ food here . We don’ t need to buy any.

We need to buy two ___________and some chicken for the dinner.

_____ is your office away from here?—Just ten minutes’walk. [ ]