I think it is unfair, ___________?

Lucy was so excited _______she received an invitation from her friend to visit Beijing.

Where is Mr. Green now? I haven’t seen him for a few days —- He ________________ to Shanghai.

Are people around you used to _______things online?－Yes. It’s much easier, and also cheaper.

So absorbed _______ in her work that she didn’t realize it was time that she picked up her daughter.