During the examination we are required to stay in our seats, keep our eyes on our work, to anyone

The girl was very sad, and she seemed _____ the fact that she didn’t pass the exam.[ ]

May I borrow your CD —Sorry, I _______it at home.

I admire Stephen Hawking greatly，whose________about black holes has a great effect on astronomy.

The information on the Internet gets aroundmuch more rapidly than ____ in the newspaper.