Playing computer games is harmful to your health. Don’t abandon yourself ____ this kind of pleasure.

To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.

The most satisfying life is one ______ you know the things you’re interested in and pursue it in your own way.

Must he remember everything he has learned in the class?—No, he _____.

he journalists caught up with thesoldiers along the broken road finally,they ___ towards the earthquake – hittown at high speed.