In order to win back the customers, the owner of the restaurant decided to sell his food ____

mobile phone was left in a taxi accidentally,_____ again

The boy ______ for her in the rain for nearly half an hour before she appeared.

To _____ surprise, no one volunteered for the position of monitor.

Your uncle speaks English very fluently.—Sure. He ______ his education in London for three years when he was a teacher ten years ago.