+15 Prepositional Phrases AT and Example Sentences At the age of I learnt to drive at the age of 18. At work I’m at work right now. At once You must phone the ambulance at once. At least Most Japanese eat rice at least once a day. At random Numbers are selected at random in a lottery. At a glance I knew at a glance that something was wrong. At first At first, I was happy here but now I’m not. At a guess At a guess, 30 people were at the party. At the bottom of There’s a market