You look unhappy. _____________— I lost my watch on my way home.

The lecturer waited for the laughter to ______ before he could speak again.[ ]

. Whoever has_____sense knows smoking is harmful to people’s health

He made an apology ________ be blamed ________ what he had done.-It’s really wise of him.[ ]

It was not until Tom took off his dark glasses that I _____ him.