I found this pencil on the floor ..................... is it?

If business is good again this year, we .............. ourselves a second house.

I'm sorry I didn't come to the dinner last night. I ....... work late with my project.

Mr. Brown ......... at the university for ten years when he decided to change jobs.

Two university students .................... a powerful speech last night which met with wild applause from the audience…

Which of the following sentences has the CORRECT WORD ORDER?