— ______ the earthquake in Yu shu is! — Yes, we should try our best to help them.

______ yourself with positive people, and you will keep focused on what you can do instead of what you can’t. 

For further details about our newly developed products ________ our company's website.

Most museums are just for looking. But today some of them have things for you to touch. The signs say, "________!"

—I’m leaving now. —________ you turn off the lights and the computer.