Does the game charlie charlie work?

The walls of valhalla were hung with shields; its ceiling glittered due to polished spearheads. read the passage. look at the underlined sections marked number (17). there may be a mistake in the way the sentence is written. if you find a mistake, choose the answer that corrects the mistake. if there is no mistake, choose ‘correct as is.’

Many plains indians who were forced onto reservations had trouble adapting because they were not used to living within borders. used to hunting for their food. not used to living in communities. used to working in factories.

Si besarte fuera pecado, caminaría feliz por el infierno.