They also agree that it is the burning of more andmore fossil fuels that has resulted ____ this increase in carbon dioxide.

Pick yourself up. Courage is doing you’re afraid to do.

I wonder such a gentleman as he should ____ an error, though it is a simple and small one.

They had not finished their homework in time, so they tried to avoid_____ by copying answers. [ ]

Is it _________ Tom often plays computer games ________ makes you angry？