Major uses of the comma 2

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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◯ President Lincoln’s original intention was to save the Union, not to destroy slavery.
◯ President Lincoln’s original intention was to save the Union not to destroy slavery.
Major uses of the comma 2 – 1

2 of 5

Question

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◯ For centuries, people believed that Greek culture had developed in isolation from the world. Today however scholars are acknowledging the contributions made by Egypt and the Middle East.
◯ For centuries, people believed that Greek culture had developed in isolation from the world. Today, however, scholars are acknowledging the contributions made by Egypt and the Middle East.
Major uses of the comma 2 – 2

3 of 5

Question

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◯ Putting together a successful fundraiser, Patricia discovered, requires creativity and good timing.
◯ Putting together a successful fundraiser Patricia discovered, requires creativity and good timing.
Major uses of the comma 2 – 3

4 of 5

Question

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◯ Fortunately science is creating many alternatives to research performed on animals.
◯ Fortunately, science is creating many alternatives to research performed on animals.
Major uses of the comma 2 – 4

5 of 5

Question

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◯ While the machine was printing the oversize paper jammed.
◯ While the machine was printing, the oversize paper jammed.
Major uses of the comma 2 – 5