Major uses of the comma 1

In each pair, choose the sentence that uses commas correctly.

For help with this exercise, see Commas.

Example

1 of 5

Question

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◯ Research on Andean condors has shown that high levels of the pesticide chlorinated hydrocarbon can cause the thinning of eggshells.
◯ Research on Andean condors has shown that high levels of the pesticide, chlorinated hydrocarbon, can cause the thinning of eggshells.
Major uses of the comma 1 – 1

2 of 5

Question

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◯ Founded in 1868 Hampton University was one of the first colleges for African Americans.
◯ Founded in 1868, Hampton University was one of the first colleges for African Americans.
Major uses of the comma 1 – 2

3 of 5

Question

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◯ Aunt Emilia was an impossible, demanding guest.
◯ Aunt Emilia was an impossible demanding guest.
Major uses of the comma 1 – 3

4 of 5

Question

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◯ The French Mirage, a high-tech fighter, is an astonishing machine to fly.
◯ The French Mirage a high-tech fighter is an astonishing machine to fly.
Major uses of the comma 1 – 4

5 of 5

Question

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◯ At the bottom of the ship’s rusty hold sat several, well-preserved trunks, reminders of a bygone era of sea travel.
◯ At the bottom of the ship’s rusty hold sat several well-preserved trunks, reminders of a bygone era of sea travel.
Major uses of the comma 1 – 5