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Free SAT Boundaries practice questionsdigital SAT, 2026 format

Punctuation between clauses: commas, semicolons, colons, and periods. The test is whether each side of the mark is a complete sentence, a fragment, or a list.

Answer each question, then read why the right answer is right and why the tempting one is wrong.

Question 1

Reading and Writing
The cuneiform tablets recovered from the Assyrian city of Nineveh include not only royal decrees and astronomical records but also something more ______ a library of literary texts, among them the earliest surviving copy of the Epic of Gilgamesh, assembled at the order of King Ashurbanipal in the seventh century BCE.

Which choice completes the text so that it conforms to the conventions of Standard English?

Question 2

Reading and Writing
Why do some cicada species emerge only every 13 or 17 ______ biologists have long suspected that the answer lies in prime numbers, which make it harder for predators with shorter life cycles to synchronize with the insects' appearances.

Which choice completes the text so that it conforms to the conventions of Standard English?

Question 3

Reading and Writing
The aurochs, the wild ancestor of domestic cattle, survived in the forests of Poland until the seventeenth ______ recorded individual, a female, died in 1627, decades after the species had vanished from the rest of Europe.

Which choice completes the text so that it conforms to the conventions of Standard English?

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