_____ to work, Bob bumped into an old friend, David, who he hadn’t seen for years.[ ]

Which of these shirts do you like best?— I’ll take. They are all expensive and out of fashion.

It was the first time that I __________ the night face to face.

Must I finish the paper tonight? —No, you _______ finish it tomorrow.

Although Huai’an isn’t ____ capital of Jiangsu, it is ___ city with many places of interest.