It is said that dogs will keep you _________for as long as you want when you are feeling lonely．

Think twice before you make a decision on this matter. It will make ______ to your life.

In an interview, don’t say anything negative about your employer---it gives a bad______.

I’m a little __________ about what I read in the press. Would you please give me a full __________ of what is really happening in Africa?

Beijing Man used fire for cooking food and also for light, warmth and ________ wild beasts.