The professor left him in charge of the lab, last night, while it still was open.

The lights came up, and the professor quickly left the lecture theatre without another word.

Furious, the professor leaves from home and takes a room in a hotel.

Levin sat down to wait until the professor left, but soon became interested in the subject of the conversation.

Levin listened no more and waited until the professor left.

He had wondered how long it was going to take before the professor left the message requiring him to call back.

Things with Freeman quickly end when the professor leaves town without his wife, who had just lost the couple's child.

First, the professor suddenly left home for a fortnight without telling anyone where he was going.

By the time he was ready his professor had left the city for the summer.

The professor was staying with a friend that night and would leave the islands in the morning.