I prefer to deal with big companies because their service and reputation are better than ________ of small ones.

The Parkers bought a new house, but_______will need a lot of work before they can move in. 

– Which of these two books will you take?– I’ll take _________. I need them to kill time on my journey.

—Which of the three optional courses did you like best,Joe?—To tell you the truth, I didn’t like          of them.

—Have you seen my dictionary? ---- Is it _______ you bought last week? Perhaps _______ is on your bed.