28. They ____ friends since they met in Shanghai ten years ago.
—How did you like Nick's performance last night?—To be honest, his singingdidn't __________ to me much.
Outside my office window there is a fire __________ on the right.
It's said that a prisoner has escaped __________ the prison.
The bird escaped __________ 、
Human __________ is much more complicated than that of atoms, liquids or planets.