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Tricky Run-on Sentence and Comma Splice Exercise

March 3, 2026 - C2pdf

Complete the 12 sentences below. Choose the best answer for each one.

Progress 0 of 12 answered
1I drafted the email three times ............... I still managed to send the version with the wrong attachment.
Wrong!
Use a semicolon plus a conjunctive adverb to link two independent clauses without a comma splice.
2The meeting ran over ............... nobody complained because the decision was finally clear.
Wrong!
You need a subordinating conjunction to make one clause dependent and avoid a run-on.
3He promised to call ............... he vanished for a week without explanation.
Wrong!
A coordinating conjunction can join two independent clauses correctly.
4The data looked convincing ............... the sample size was tiny.
Wrong!
Use a semicolon with a conjunctive adverb to show contrast between two complete sentences.
5I could have corrected the report ............... I chose not to, just to see if anyone was paying attention.
Wrong!
A semicolon correctly separates two independent clauses without creating a comma splice.
6She wanted to leave early ............... her manager asked her to stay until the client arrived.
Wrong!
Use a coordinating conjunction to connect two independent clauses; a comma alone is a splice.
7The speaker kept repeating the same point ............... the audience started checking their phones.
Wrong!
A semicolon with a conjunctive adverb shows a result without a run-on.
8I respect her expertise ............... I disagree with her conclusion in this case.
Wrong!
A semicolon cleanly links two independent clauses when the relationship is contrast.
9The deadline was unrealistic ............... we delivered on time by cutting the optional features.
Wrong!
Use a coordinating conjunction to join two independent clauses; a comma alone is incorrect here.
10He insisted the policy was fair ............... it clearly punished people for reporting problems.
Wrong!
A semicolon plus a conjunctive adverb correctly signals contrast between two full clauses.
11I was about to apologize ............... she cut me off and changed the subject.
Wrong!
A coordinating conjunction is needed to avoid a run-on between two independent clauses.
12The argument sounded persuasive ............... it collapsed the moment we checked the sources.
Wrong!
Use a coordinating conjunction to join two independent clauses and avoid a comma splice.
Done.
Score: 0/12

Answers

  1. I drafted the email three times; however, I still managed to send the version with the wrong attachment.
  2. The meeting ran over although nobody complained because the decision was finally clear.
  3. He promised to call but he vanished for a week without explanation.
  4. The data looked convincing; nevertheless, the sample size was tiny.
  5. I could have corrected the report; I chose not to, just to see if anyone was paying attention.
  6. She wanted to leave early yet her manager asked her to stay until the client arrived.
  7. The speaker kept repeating the same point; consequently, the audience started checking their phones.
  8. I respect her expertise; I disagree with her conclusion in this case.
  9. The deadline was unrealistic yet we delivered on time by cutting the optional features.
  10. He insisted the policy was fair; in fact, it clearly punished people for reporting problems.
  11. I was about to apologize but she cut me off and changed the subject.
  12. The argument sounded persuasive but it collapsed the moment we checked the sources.
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