There were some chairs left over ________ everyone had sat down.

I haven’t seen Ann for ____ long that I’ve forgotten what she looks like.

 We can find out ________ all the excitement is about by playing QQ's “Happy Farm”．

“I think we need to pay more attention to the artistic and cultural work that goes on in every neighborhood in this city,” Ms Martin said. “We are part of _____ makes New York unique.”

I asked her whether she had done all the work herself ________ whether she had had asked sb. for help.