If you _________ your name on the paper, you can get a magazine.

She           her sick dog for two whole days, and she found it in the animal center at last.

－What kind of persons do you prefer to make friends with?－I choose my friends on their characters and how we ______.

—Why don’t you use your own knife?—Sorry, I’ve _____ it at home.

There was a big fire in the street last night, but the firemen _______ within twenty minutes.