Frank almost never received any education ，（）?

At ______, photography is a chemical process, during which a light-sensitive material is altered when exposed to light.

Hesetupinbusiness（）hisownandwasverysuccessful.

Ininternationalmatches,prestigeissoimportantthattheonlythingthatmattersistoavoid_____.

In international matches, prestige is so important that the only thing that matters is to avoid _____.