The atmosphere of the earth ______ us from the strong sun light.
_____ being too large, the color and the style of the dress suit me well.
It’s very dangerous to be ____ to the SARS virus without any protection.
Officials believe that more than one person _____ for the big fire.
Father ____ , I turned on the computer.
I would appreciate ____ if you can keep an eye on my dog while I am away.