Some pre-school children go to a day care center, _____ they learn simple games and songs [ ]

When they look back on the past few years, many people wonder ______.

Cocaine’s being often used as painkillers can give rise to the________belief that it is not an addictive drug.[ ]

What will you do when someone is _______ the leafletsto you on the streets— I will say ‘No, thanks!’ politely.

He was breathing ______ after the relay race