Do you know what WWF______ ?—-Yes. That’s World Wide Fund for Nature.

Finding information in today’s world is easy. The ______ is how you can tell if the information you get is useful or not.

May I borrow your pencil, please—Yes, of course. Here are some and you can take________ of them.

In time of serious accidents, we know some basic things about first aid,we can save lives.[ ]

There are millions of websites on the Internetand there _________ a lot of useful ________ on the websites.