If the opportunity would ______, hold on to it and don’t let it go.

All the drivers have been warned that driving after drinking shall __   __ serious accidents．

.-–It’s almost eight, but Tom hasn’t turned up. He may not be here. -–He will. He never _____on his words.

 — What did he _______ when he went out? — An umbrella.

The girl’s sudden death _____ the police’s _____ this matter.