No matter what happens, you should keep _______. Just look on the bright side of things.

Even if you have had a big dinner, ___ are that you will still want to reach for food when it gets late．

Living with a host family while studying abroad, in which there may be some other college students, __________ you the chance to learn more about the new culture.

The fridge is _____for one year. It means that the company that makes it promises to repair or replace it if it breaks within a year.

— Could you give _______ an introduction to the new machine?— Of course. I will tell you how to use it.