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Common Errors Workbook |
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Grammar |
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9. Main clauses connected with conjunctive adverbs and transitional phrases |
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In each of the questions below determine whether a comma or a semicolon is appropriate.
Historians are not exactly sure why the Pueblo Indians built cliff dwellings __1__ (; semicolon / , comma) however, one theory is that the dwellings were a defense against northern tribes. Navajo and Apache Indians threatened the Pueblos; as a result __2__ (; semicolon / , comma) the cliff dwellings were built. Reaching the home required climbing a ladder __3__ (; semicolon / , comma) in the case of an attack, the ladder could be taken away.
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