Avoiding Run-On Sentences: Practice Exercise I [Logo]
Each of the following is a run-on sentences. From the group of three sentences that follows, select the group of words that corrects the run-on. Submit the form using the SUBMIT APPLICATION button at the end of the exercise. Your score will be returned to you in a few seconds.
Quizzes labeled "Practice Exercise" or "Additional Practice" are taken from the ancillary materials for Sentence Sense: A Writer's Guide, by Evelyn Farbman, and are used by the Guide for Grammar and Writing with the kind permission of the book's author and the publisher, Houghton Mifflin.
1.  Our solar system has nine major planets only one is known to have intelligent life.
Our solar system has nine major planets, only one is known to have intelligent life.
Our solar system has nine major planets only one, is known to have intelligent life.
Our solar system has nine major planets; only one is known to have intelligent life.

2.  Most asteroids are small and far away therefore they are dim and hard to see.
Most asteroids are small and far away, therefore they are dim and hard to see.
Most asteroids are small and far away therefore, they are dim and hard to see.
Most asteroids are small and far away; therefore, they are dim and hard to see.

3.  Look through Angelo's telescope you can see Saturn's rings.
If you look through Angelo's telescope, you can see Saturn's rings.
Look through Angelo's telescope, you can see Saturn's rings.
You can see Saturn's rings, look through Angelo's telescope.

4.  Please check the position of that star cluster I can't find it.
Please check the position of that star cluster; I can't find it.
Please check the position of that star cluster, I can't find it.
Please check the position, of that star cluster, I can't find it.

5.  Marie is never interested in stargazing during the winter however on warm summer nights she often goes to the college observatory.
Marie is never interested in stargazing during the winter, however, on warm summer nights she often goes to the college observatory.
Marie is never interested in stargazing during the winter. However, on warm summer nights she often goes to the college observatory.
Marie is never interested in stargazing, during the winter however, on warm summer nights she often goes to the college observatory.

6.  The Milky Way looks like a dim cloud stretching across the night sky it is actually a huge galaxy containing millions of stars.
The Milky Way looks like a dim cloud stretching across the night sky, it is actually a huge galaxy containing millions of stars.
The cloud-like Milky Way stretching across the night sky is actually a huge galaxy containing millions of stars.
Although the Milky Way looks like a dim cloud stretching across the night sky. It is actually a huge galaxy containing millions of stars.

7.  Watch the sky closely for several minutes you are likely to see an artificial satellite pass over.
Watch the sky closely for several minutes; you are likely to see an artificial satellite pass over.
Watch the sky closely for several minutes, you are likely to see an artificial satellite pass over.
If you watch the sky closely for several minutes. You are likely to see an artificial satellite pass over.

8.  Louisa pretended to be interested in her brother's hobby she secretly wished she had stayed at home.
Louisa pretended to be interested in her brother's hobby, she secretly wishedshe had stayed at home.
Pretending to be interested in her brother's hobby, Louisa secretly wished she had stayed at home.
Louisa pretended to be interested, in her brother's hobby, she secretly wished she had stayed at home.

9.  Some club members were late for the meeting for example, Tanya and Scott came in at 9:30.
Some club members were late for the meeting, for example Tanya and Scott came in at 9:30.
Some club members were late for the meeting, for example, Tanya and Scott came in at 9:30.
Some club members were late for the meeting; for example, Tanya and Scott came in at 9:30.

10.  We've seen enough for one night pack up the equipment.
We've seen enough for one night; pack up the equipment.
Pack up the equipment, we've seen enough for one night.

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