_______ in the room where Mr. Johnson lived_______ the exhibition was held

–Did you find your new dictionary—Yes. I found it ____I had left it.

me time now, world leaders _____ outthe necessity for agreement on climate change, the world economy and African development．

His brother is _________ years old. This Monday is his _________ birthday.

What a beautiful city Quzhou is!—Yes. Quzhou ________ a lot in the last few years.