Mr Duncan raised an unnecessary question __________he then failed to find an answer

Why don’t you go home now —OK. Let’s go.

Ifyou______anyproblemswhenyouarriveattheairport,givemearing．

Do you still remember how we first met?— Yes, you ________ to my office and ran into me on the way

Studies show that people are more_____ to suffer from back problems if they always sit before computer screens for long hours.