—Have you finished your book report?—Not yet. I couldn't________on it with so loud music next door last night.
________ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
—I’m really hungry now. That’s because you have left your lunch __________.
— How much do I owe you for this supper? — _________. It’s nothing.
When Marx was in London, he _______ read at the library for hours.
Help! My door shut after me and the eggs _________ in the pan.